rm push/pop

action.cm

@@ -234,7 +234,7 @@ action.on_input = function(action_id, evt)
   var matched_actions = []
   arrfor(array(this.action_map), mapped_action => {
     if (find(this.action_map[mapped_action], action_id) != null) {
-      push(matched_actions, mapped_action)
+      matched_actions[] = mapped_action
       
       if (evt.pressed)
         this.down[mapped_action] = true

clay.cm

@@ -157,7 +157,7 @@ function build_drawables(node, root_height, parent, parent_scissor) {
   if (node.config.background_image) {
     _next_id = _next_id + 1
     if (node.config.slice) {
-      push(drawables, {
+      drawables[] = {
         _id: _next_id,
         type: 'sprite',
         image: node.config.background_image,
@@ -168,9 +168,9 @@ function build_drawables(node, root_height, parent, parent_scissor) {
         color: node.config.background_color || {r:1, g:1, b:1, a:1},
         layer: p_layer - 0.1,
         scissor: current_scissor
-      })
+      }
     } else {
-      push(drawables, {
+      drawables[] = {
         _id: _next_id,
         type: 'sprite',
         image: node.config.background_image,
@@ -180,11 +180,11 @@ function build_drawables(node, root_height, parent, parent_scissor) {
         color: node.config.background_color || {r:1, g:1, b:1, a:1},
         layer: p_layer - 0.1,
         scissor: current_scissor
-      })
+      }
     }
   } else if (node.config.background_color) {
      _next_id = _next_id + 1
-     push(drawables, {
+     drawables[] = {
        _id: _next_id,
        type: 'rect',
        pos: {x: vis_x, y: vis_y},
@@ -193,13 +193,13 @@ function build_drawables(node, root_height, parent, parent_scissor) {
        color: node.config.background_color,
        layer: p_layer - 0.1,
        scissor: current_scissor
-     })
+     }
   }
 
   // Content (Image/Text)
   if (node.config.image) {
     _next_id = _next_id + 1
-    push(drawables, {
+    drawables[] = {
       _id: _next_id,
       type: 'sprite',
       image: node.config.image,
@@ -209,12 +209,12 @@ function build_drawables(node, root_height, parent, parent_scissor) {
       color: node.config.color,
       layer: p_layer,
       scissor: current_scissor
-    })
+    }
   }
 
   if (node.config.text) {
     _next_id = _next_id + 1
-    push(drawables, {
+    drawables[] = {
       _id: _next_id,
       type: 'text',
       text: node.config.text,
@@ -225,7 +225,7 @@ function build_drawables(node, root_height, parent, parent_scissor) {
       anchor_y: 1.0,
       layer: p_layer,
       scissor: current_scissor
-    })
+    }
   }
 
   // Children
@@ -290,15 +290,15 @@ function push_node(configs, contain_mode) {
   
   // Add to parent
   var parent = tree_stack[length(tree_stack)-1]
-  push(parent.children, node)
+  parent.children[] = node
   lay_ctx.insert(parent.id, item)
   
-  push(tree_stack, node)
+  tree_stack[] = node
   return node
 }
 
 function pop_node() {
-  pop(tree_stack)
+  tree_stack[]
 }
 
 // Generic container
@@ -352,7 +352,7 @@ clay.image = function(path, configs, extra) {
   if (extra) _configs = array(_configs, is_array(extra) ? extra : [extra])
   var final_config = process_configs(_configs)
   if (!final_config.size && !final_config.behave)
-    push(c, {size: {width: img.width, height: img.height}})
+    c[] = {size: {width: img.width, height: img.height}}
 
   push_node(array(c, _configs), null)
   pop_node()
@@ -364,7 +364,7 @@ clay.text = function(str, configs, extra) {
   if (extra) _configs = array(_configs, is_array(extra) ? extra : [extra])
   var final_config = process_configs(_configs)
   if (!final_config.size && !final_config.behave) {
-    push(c, {size: {width: 100, height: 20}})
+    c[] = {size: {width: 100, height: 20}}
   }
 
   push_node(array(c, _configs), null)
@@ -426,7 +426,7 @@ clay.offset_drawables = function(drawables, offset) {
   for (i = 0; i < length(drawables); i = i + 1) {
     d = meme(drawables[i])
     d.pos = {x: d.pos.x + offset.x, y: d.pos.y + offset.y}
-    push(result, d)
+    result[] = d
   }
   return result
 }

clay_input.cm

@@ -80,7 +80,7 @@ clay_input.click = function click(tree_root, mousepos, button) {
 clay_input.get_actionable = function get_actionable(tree_root) {
   var actionable = []
   function walk(node) {
-    if (node.config.action) push(actionable, node)
+    if (node.config.action) actionable[] = node
     if (node[clay.CHILDREN])
       arrfor(node[clay.CHILDREN], walk)
   }
@@ -91,7 +91,7 @@ clay_input.get_actionable = function get_actionable(tree_root) {
 clay_input.filter = function filter(tree_root, predicate) {
   var results = []
   function rec(node) {
-    if (predicate(node)) push(results, node)
+    if (predicate(node)) results[] = node
     if (node[clay.CHILDREN])
       arrfor(node[clay.CHILDREN], rec)
   }

collision2d.cm

@@ -73,7 +73,7 @@ collision2d.overlap = function(body, pos, others) {
   for (i = 0; i < length(others); i++) {
     other = others[i]
     if (collision2d.test(body, pos, other.body, other.pos))
-      push(results, other)
+      results[] = other
   }
   return results
 }
@@ -94,12 +94,12 @@ collision2d.overlap_point = function(point, bodies) {
       hw = b.body.width * 0.5
       hh = b.body.height * 0.5
       if (abs(point.x - c.x) < hw && abs(point.y - c.y) < hh)
-        push(results, b)
+        results[] = b
     } else if (b.body.type == 'circle') {
       dx = point.x - c.x
       dy = point.y - c.y
       if (dx * dx + dy * dy < b.body.radius * b.body.radius)
-        push(results, b)
+        results[] = b
     }
   }
   return results

compositor.cm

@@ -23,7 +23,7 @@ compositor.compile = function(config) {
   
   // Clear screen
   if (config.clear)
-    push(ctx.passes, {type: 'clear', target: 'screen', color: config.clear})
+    ctx.passes[] = {type: 'clear', target: 'screen', color: config.clear}
   
   // Process each plane (supports both 'planes' and legacy 'layers' key)
   var planes = config.planes || config.layers || []
@@ -44,11 +44,11 @@ compositor.compile = function(config) {
 }
 
 function compile_imgui_layer(layer, ctx) {
-  push(ctx.passes, {
+  ctx.passes[] = {
     type: 'imgui',
     target: 'screen',
     draw: layer.draw
-  })
+  }
 }
 
 function compile_plane(plane_config, ctx, group_effects) {
@@ -75,7 +75,7 @@ function compile_plane(plane_config, ctx, group_effects) {
   var di = 0
   if (plane_config.drawables) {
     for (di = 0; di < length(plane_config.drawables); di++)
-      push(all_sprites, plane_config.drawables[di])
+      all_sprites[] = plane_config.drawables[di]
   }
   
   // Find which sprites belong to groups with effects
@@ -110,21 +110,21 @@ function compile_plane(plane_config, ctx, group_effects) {
       if (group_effects[gname]) {
         if (!effect_groups[gname])
           effect_groups[gname] = {sprites: [], effects: group_effects[gname].effects}
-        push(effect_groups[gname].sprites, s)
+        effect_groups[gname].sprites[] = s
         assigned = true
         break  // Only assign to first matching effect group
       }
     }
 
     // Add to base sprites if not assigned to effect group and not mask-only
-    if (!assigned && !is_mask_only) push(base_sprites, s)
+    if (!assigned && !is_mask_only) base_sprites[] = s
   }
   
   // Allocate plane target
   var plane_target = ctx.alloc(res.width, res.height, plane_config.name)
   
   // Always clear plane target to prevent stale data between frames
-  push(ctx.passes, {type: 'clear', target: plane_target, color: plane_config.clear || {r: 0, g: 0, b: 0, a: 0}})
+  ctx.passes[] = {type: 'clear', target: plane_target, color: plane_config.clear || {r: 0, g: 0, b: 0, a: 0}}
   
   // Render each effect group to temp target, apply effects, composite back
   arrfor(array(effect_groups), gname => {
@@ -134,7 +134,7 @@ function compile_plane(plane_config, ctx, group_effects) {
     var group_target = ctx.alloc(res.width, res.height, gname + '_content')
     
     // Render group content
-    push(ctx.passes, {
+    ctx.passes[] = {
       type: 'render',
       renderer: 'film2d',
       drawables: eg.sprites,
@@ -143,7 +143,7 @@ function compile_plane(plane_config, ctx, group_effects) {
       target_size: res,
       layer_sort: layer_sort,
       clear: {r: 0, g: 0, b: 0, a: 0}
-    })
+    }
     
     // Apply effects
     var current = group_target
@@ -155,19 +155,19 @@ function compile_plane(plane_config, ctx, group_effects) {
     }
     
     // Composite result to plane
-    push(ctx.passes, {
+    ctx.passes[] = {
       type: 'composite',
       source: current,
       dest: plane_target,
       source_size: res,
       dest_size: res,
       blend: 'over'
-    })
+    }
   })
   
   // Render base sprites (no effects)
   if (length(base_sprites) > 0) {
-    push(ctx.passes, {
+    ctx.passes[] = {
       type: 'render',
       renderer: 'film2d',
       drawables: base_sprites,
@@ -176,17 +176,17 @@ function compile_plane(plane_config, ctx, group_effects) {
       target_size: res,
       layer_sort: layer_sort,
       clear: null  // Don't clear, blend on top
-    })
+    }
   }
   
   // Composite plane to screen
-  push(ctx.passes, {
+  ctx.passes[] = {
     type: 'blit_to_screen',
     source: plane_target,
     source_size: res,
     dest_size: ctx.screen_size,
     presentation: plane_config.presentation || 'stretch'
-  })
+  }
 }
 
 function apply_effect(ctx, effect, input, params) {
@@ -212,25 +212,25 @@ function apply_effect(ctx, effect, input, params) {
     blur2 = ctx.alloc(size.width, size.height, hint + '_blur2')
 
     // Threshold
-    push(ctx.passes, {
+    ctx.passes[] = {
       type: 'shader_pass',
       shader: 'threshold',
       input: input,
       output: bright,
       uniforms: {threshold: effect.threshold || 0.8, intensity: effect.intensity || 1}
-    })
+    }
 
     // Blur passes
     blur_passes = effect.blur_passes || 2
     blur_in = bright
     for (p = 0; p < blur_passes; p++) {
-      push(ctx.passes, {type: 'shader_pass', shader: 'blur', input: blur_in, output: blur1, uniforms: {direction: {x: 1, y: 0}, texel_size: {x: 1/size.width, y: 1/size.height}}})
+      ctx.passes[] = {type: 'shader_pass', shader: 'blur', input: blur_in, output: blur1, uniforms: {direction: {x: 1, y: 0}, texel_size: {x: 1/size.width, y: 1/size.height}}}
-      push(ctx.passes, {type: 'shader_pass', shader: 'blur', input: blur1, output: blur2, uniforms: {direction: {x: 0, y: 1}, texel_size: {x: 1/size.width, y: 1/size.height}}})
+      ctx.passes[] = {type: 'shader_pass', shader: 'blur', input: blur1, output: blur2, uniforms: {direction: {x: 0, y: 1}, texel_size: {x: 1/size.width, y: 1/size.height}}}
       blur_in = blur2
     }
     
     // Composite bloom
-    push(ctx.passes, {type: 'composite_textures', base: input, overlay: blur2, output: output, mode: 'add'})
+    ctx.passes[] = {type: 'composite_textures', base: input, overlay: blur2, output: output, mode: 'add'}
     
   } else if (effect.type == 'mask') {
     mask_group = effect.mask_group
@@ -241,7 +241,7 @@ function apply_effect(ctx, effect, input, params) {
       mask_target = ctx.alloc(size.width, size.height, hint + '_mask')
       
       // Render mask
-      push(ctx.passes, {
+      ctx.passes[] = {
         type: 'render',
         renderer: 'film2d',
         drawables: mask_sprites,
@@ -249,24 +249,24 @@ function apply_effect(ctx, effect, input, params) {
         target: mask_target,
         target_size: size,
         clear: {r: 0, g: 0, b: 0, a: 0}
-      })
+      }
       
       // Apply mask
-      push(ctx.passes, {
+      ctx.passes[] = {
         type: 'apply_mask',
         content: input,
         mask: mask_target,
         output: output,
         mode: effect.channel || 'alpha',
         invert: effect.invert || false
-      })
+      }
     } else {
       // No mask sprites, pass through
-      push(ctx.passes, {type: 'blit', source: input, dest: output})
+      ctx.passes[] = {type: 'blit', source: input, dest: output}
     }
   } else {
     // Unknown effect, pass through
-    push(ctx.passes, {type: 'blit', source: input, dest: output})
+    ctx.passes[] = {type: 'blit', source: input, dest: output}
   }
   
   return output
@@ -302,8 +302,8 @@ compositor.execute = function(plan) {
 
     if (pass.type == 'clear') {
       target = resolve(pass.target)
-      push(commands, {cmd: 'begin_render', target: target, clear: pass.color})
+      commands[] = {cmd: 'begin_render', target: target, clear: pass.color}
-      push(commands, {cmd: 'end_render'})
+      commands[] = {cmd: 'end_render'}
 
     } else if (pass.type == 'render') {
       result = film2d.render({
@@ -315,68 +315,68 @@ compositor.execute = function(plan) {
         clear: pass.clear
       }, backend)
       for (c = 0; c < length(result.commands); c++)
-        push(commands, result.commands[c])
+        commands[] = result.commands[c]
         
     } else if (pass.type == 'shader_pass') {
-      push(commands, {
+      commands[] = {
         cmd: 'shader_pass',
         shader: pass.shader,
         input: resolve(pass.input),
         output: resolve(pass.output),
         uniforms: pass.uniforms
-      })
+      }
       
     } else if (pass.type == 'composite_textures') {
-      push(commands, {
+      commands[] = {
         cmd: 'composite_textures',
         base: resolve(pass.base),
         overlay: resolve(pass.overlay),
         output: resolve(pass.output),
         mode: pass.mode
-      })
+      }
       
     } else if (pass.type == 'apply_mask') {
-      push(commands, {
+      commands[] = {
         cmd: 'apply_mask',
         content_texture: resolve(pass.content),
         mask_texture: resolve(pass.mask),
         output: resolve(pass.output),
         mode: pass.mode,
         invert: pass.invert
-      })
+      }
       
     } else if (pass.type == 'composite') {
-      push(commands, {
+      commands[] = {
         cmd: 'blit',
         texture: resolve(pass.source),
         target: resolve(pass.dest),
         dst_rect: {x: 0, y: 0, width: pass.dest_size.width, height: pass.dest_size.height}
-      })
+      }
       
     } else if (pass.type == 'blit_to_screen') {
       rect = _calc_presentation(pass.source_size, pass.dest_size, pass.presentation)
-      push(commands, {
+      commands[] = {
         cmd: 'blit',
         texture: resolve(pass.source),
         target: 'screen',
         dst_rect: rect,
         filter: pass.presentation == 'integer_scale' ? 'nearest' : 'linear'
-      })
+      }
     } else if (pass.type == 'blit') {
       src = resolve(pass.source)
       dst = resolve(pass.dest)
-      push(commands, {
+      commands[] = {
         cmd: 'blit',
         texture: src,
         target: dst,
         dst_rect: {x: 0, y: 0, width: dst.width, height: dst.height}
-      })
+      }
     } else if (pass.type == 'imgui') {
-      push(commands, {
+      commands[] = {
         cmd: 'imgui',
         target: resolve(pass.target),
         draw: pass.draw
-      })
+      }
     }
   }
   
@@ -425,7 +425,7 @@ compositor.snapshot = function() {
   for (i = 0; i < length(_last_plan.passes); i++) {
     pass = _last_plan.passes[i]
     if (pass.type == 'render') {
-      push(planes, {
+      planes[] = {
         drawable_count: length(pass.drawables),
         camera: pass.camera ? {
           pos: pass.camera.pos,
@@ -433,7 +433,7 @@ compositor.snapshot = function() {
           height: pass.camera.height
         } : null,
         target_size: pass.target_size
-      })
+      }
     }
   }
   return {

core.cm

@@ -108,7 +108,7 @@ function fps_add_sample(sample) {
   var n = length(_fps_samples)
   var old = null
   if (n < _fps_sample_count) {
-    push(_fps_samples, sample)
+    _fps_samples[] = sample
     _fps_sample_sum += sample
   } else {
     old = _fps_samples[_fps_sample_pos]
@@ -228,7 +228,7 @@ function _main_loop() {
       // Handle both compositor result ({commands: [...]}) and fx_graph (graph object)
       if (render_result.commands) {
         if (_config.imgui || _config.editor) {
-          push(render_result.commands, {
+          render_result.commands[] = {
             cmd: 'imgui',
             draw: function(ui) {
               if (_config.imgui) _config.imgui(ui)
@@ -238,7 +238,7 @@ function _main_loop() {
               }
             },
             target: 'screen'
-          })
+          }
         }
         // Compositor result - execute commands directly
         _backend.execute_commands(render_result.commands, win_size, dbg)

debug_imgui.cm

@@ -144,31 +144,31 @@ function _render_node_summary(imgui, node) {
   var info = []
   
   if (node.pos) {
-    push(info, "pos:(" + text(round(node.pos.x)) + "," + text(round(node.pos.y)) + ")")
+    info[] = "pos:(" + text(round(node.pos.x)) + "," + text(round(node.pos.y)) + ")"
   }
   
   if (node.width && node.height) {
-    push(info, "size:" + text(node.width) + "x" + text(node.height))
+    info[] = "size:" + text(node.width) + "x" + text(node.height)
   }
   
   if (node.image) {
-    push(info, "img:" + node.image)
+    info[] = "img:" + node.image
   }
   
   var t = null
   if (node.text) {
     t = node.text
     if (length(t) > 20) t = text(t, 0, 17) + "..."
-    push(info, "\"" + t + "\"")
+    info[] = "\"" + t + "\""
   }
   
   var fx = []
   var j = 0
   if (node.effects && length(node.effects) > 0) {
     for (j = 0; j < length(node.effects); j++) {
-      push(fx, node.effects[j].type)
+      fx[] = node.effects[j].type
     }
-    push(info, "fx:[" + text(fx, ",") + "]")
+    info[] = "fx:[" + text(fx, ",") + "]"
   }
   
   if (length(info) > 0) {

effects.cm

@@ -36,7 +36,7 @@ effects.register('bloom', {
 
     // Threshold extraction
     var thresh_target = ctx.alloc_target(size.width, size.height, 'bloom_thresh')
-    push(passes, {
+    passes[] = {
       type: 'shader',
       shader: 'threshold',
       input: input,
@@ -45,7 +45,7 @@ effects.register('bloom', {
         threshold: params.threshold != null ? params.threshold : 0.8,
         intensity: params.intensity != null ? params.intensity : 1.0
       }
-    })
+    }
 
     // Blur ping-pong
     var blur_a = ctx.alloc_target(size.width, size.height, 'bloom_blur_a')
@@ -56,31 +56,31 @@ effects.register('bloom', {
     var i = 0
 
     for (i = 0; i < blur_count; i++) {
-      push(passes, {
+      passes[] = {
         type: 'shader',
         shader: 'blur',
         input: blur_src,
         output: blur_a,
         uniforms: {direction: {x: 2, y: 0}, texel_size: texel}
-      })
+      }
-      push(passes, {
+      passes[] = {
         type: 'shader',
         shader: 'blur',
         input: blur_a,
         output: blur_b,
         uniforms: {direction: {x: 0, y: 2}, texel_size: texel}
-      })
+      }
       blur_src = blur_b
     }
 
     // Additive composite
-    push(passes, {
+    passes[] = {
       type: 'composite',
       base: input,
       overlay: blur_src,
       output: output,
       blend: 'add'
-    })
+    }
 
     return passes
   }
@@ -125,16 +125,16 @@ effects.register('mask', {
 
     // Render mask source to target
     var mask_target = ctx.alloc_target(size.width, size.height, 'mask_src')
-    push(passes, {
+    passes[] = {
       type: 'render_subtree',
       root: mask_source,
       output: mask_target,
       clear: {r: 0, g: 0, b: 0, a: 0},
       space: params.space || 'local'
-    })
+    }
 
     // Apply mask shader
-    push(passes, {
+    passes[] = {
       type: 'shader',
       shader: 'mask',
       inputs: [input, mask_target],
@@ -143,7 +143,7 @@ effects.register('mask', {
         channel: params.channel == 'alpha' ? 0 : 1,
         invert: params.invert ? 1 : 0
       }
-    })
+    }
 
     return passes
   }
@@ -192,25 +192,25 @@ effects.register('blur', {
     var i = 0
 
     for (i = 0; i < blur_count; i++) {
-      push(passes, {
+      passes[] = {
         type: 'shader',
         shader: 'blur',
         input: src,
         output: blur_a,
         uniforms: {direction: {x: 2, y: 0}, texel_size: texel}
-      })
+      }
-      push(passes, {
+      passes[] = {
         type: 'shader',
         shader: 'blur',
         input: blur_a,
         output: blur_b,
         uniforms: {direction: {x: 0, y: 2}, texel_size: texel}
-      })
+      }
       src = blur_b
     }
 
     // Final blit to output
-    push(passes, {type: 'blit', source: src, dest: output})
+    passes[] = {type: 'blit', source: src, dest: output}
     return passes
   }
 })

examples/bunnymark/main.ce

@@ -47,8 +47,8 @@ function add_bunny(x, y) {
     anchor_x: 0.5, anchor_y: 0.5,
     plane: 'game'
   })
-  push(bunnies, bunny)
+  bunnies[] = bunny
-  push(bunny_sprites, s)
+  bunny_sprites[] = s
 }
 
 // Initial bunnies

examples/chess/board_view.cm

@@ -29,14 +29,14 @@ function init(grid) {
     row = []
     for (bx = 0; bx < 8; bx++) {
       col = ((bx + by) & 1) ? dark_color : light_color
-      push(row, shape.rect({
+      row[] = shape.rect({
         pos: {x: bx * S + S / 2, y: by * S + S / 2},
         width: S, height: S,
         fill: {r: col.r, g: col.g, b: col.b, a: col.a},
         plane: 'game', layer: 0
-      }))
+      })
     }
-    push(board_shapes, row)
+    board_shapes[] = row
   }
 
   next_id = 0

examples/chess/chess.ce

@@ -49,7 +49,7 @@ function compute_valid_moves(from) {
       dest = grid.at(to)
       if (length(dest) && dest[0].colour == piece.colour) continue
       if (rules.canMove(piece, from, to, grid))
-        push(validMoves, to)
+        validMoves[] = to
     }
   }
 }

examples/chess/client.ce

@@ -77,7 +77,7 @@ function compute_valid_moves(from) {
       dest = grid.at(to)
       if (length(dest) && dest[0].colour == piece.colour) continue
       if (rules.canMove(piece, from, to, grid))
-        push(validMoves, to)
+        validMoves[] = to
     }
   }
 }

examples/chess/grid.cm

@@ -32,7 +32,7 @@ var grid_prototype = {
   // add an entity into a cell
   add(entity, pos) {
     var cx = px(pos), cy = py(pos);
-    push(this.cell(cx, cy), entity);
+    this.cell(cx, cy)[] = entity;
     entity.coord = [cx, cy];
   },
 

examples/chess/host.ce

@@ -91,7 +91,7 @@ function compute_valid_moves(from) {
       dest = grid.at(to)
       if (length(dest) && dest[0].colour == piece.colour) continue
       if (rules.canMove(piece, from, to, grid))
-        push(validMoves, to)
+        validMoves[] = to
     }
   }
 }

examples/snake/main.ce

@@ -91,12 +91,12 @@ function reset_game() {
   var cy = floor(gridH / 2)
   var wp = null
   for (i = 0; i < 3; i++) {
-    push(snake_pos, {x: cx - i, y: cy})
+    snake_pos[] = {x: cx - i, y: cy}
     wp = grid_to_world(cx - i, cy)
-    push(snake_shapes, shape.rect({
+    snake_shapes[] = shape.rect({
       pos: {x: wp.x, y: wp.y}, width: cellSize - 2, height: cellSize - 2,
       fill: {r: 0, g: 1, b: 0.3, a: 1}, plane: 'game'
-    }))
+    })
   }
 
   dir = {x: 1, y: 0}
@@ -166,7 +166,7 @@ core.start({
     var old_wp = grid_to_world(snake_pos[0].x, snake_pos[0].y)
     var new_wp = grid_to_world(hx, hy)
     var new_pos = [{x: hx, y: hy}]
-    for (i = 0; i < length(snake_pos); i++) push(new_pos, snake_pos[i])
+    for (i = 0; i < length(snake_pos); i++) new_pos[] = snake_pos[i]
     snake_pos = new_pos
     var head = shape.rect({
       pos: {x: old_wp.x, y: old_wp.y}, width: cellSize - 2, height: cellSize - 2,
@@ -175,7 +175,7 @@ core.start({
     // Smooth tween from old position to new position
     tw.tween(head.pos).to({x: new_wp.x, y: new_wp.y}, move_interval).ease(ease.linear)
     var new_shapes = [head]
-    for (i = 0; i < length(snake_shapes); i++) push(new_shapes, snake_shapes[i])
+    for (i = 0; i < length(snake_shapes); i++) new_shapes[] = snake_shapes[i]
     snake_shapes = new_shapes
 
     // Eat apple?
@@ -185,9 +185,9 @@ core.start({
       spawn_apple()
     } else {
       // Remove tail
-      tail = pop(snake_shapes)
+      tail = snake_shapes[]
       tail.destroy()
-      pop(snake_pos)
+      snake_pos[]
     }
   },
 

examples/tetris/main.ce

@@ -50,16 +50,16 @@ function init_board() {
     row = []
     srow = []
     for (c = 0; c < COLS; c++) {
-      push(row, null)
+      row[] = null
-      push(srow, shape.rect({
+      srow[] = shape.rect({
         pos: {x: c * TILE + TILE / 2, y: r * TILE + TILE / 2},
         width: TILE - 1, height: TILE - 1,
         fill: {r: 0.5, g: 0.5, b: 0.5, a: 1},
         plane: 'game', layer: 0, visible: false
-      }))
+      })
     }
-    push(board, row)
+    board[] = row
-    push(board_shapes, srow)
+    board_shapes[] = srow
   }
 }
 
@@ -104,10 +104,10 @@ var next_label = text2d({
 var next_shapes = []
 var ns = 0
 for (ns = 0; ns < 4; ns++) {
-  push(next_shapes, shape.rect({
+  next_shapes[] = shape.rect({
     pos: {x: 0, y: 0}, width: TILE - 1, height: TILE - 1,
     fill: {r: 1, g: 1, b: 1, a: 1}, plane: 'game', layer: 2, visible: false
-  }))
+  })
 }
 
 function random_shape() {
@@ -244,10 +244,10 @@ function place_piece() {
 // Create 4 shapes for active piece (layer 1 = on top of board)
 var pi = 0
 for (pi = 0; pi < 4; pi++) {
-  push(piece_shapes, shape.rect({
+  piece_shapes[] = shape.rect({
     pos: {x: 0, y: 0}, width: TILE - 1, height: TILE - 1,
     fill: {r: 1, g: 1, b: 1, a: 1}, plane: 'game', layer: 1, visible: false
-  }))
+  })
 }
 
 init_board()

film2d.cm

@@ -129,7 +129,7 @@ film2d.register = function(drawable) {
   // Index by plane
   var plane = drawable.plane || 'default'
   if (!plane_index[plane]) plane_index[plane] = []
-    push(plane_index[plane], id)
+    plane_index[plane][] = id
   
   // Index by groups (effect routing only)
   var groups = drawable.groups || []
@@ -138,7 +138,7 @@ film2d.register = function(drawable) {
   for (i = 0; i < length(groups); i++) {
     g = groups[i]
     if (!group_index[g]) group_index[g] = []
-    push(group_index[g], id)
+    group_index[g][] = id
   }
 
   return id
@@ -177,7 +177,7 @@ film2d.unregister = function(id) {
 film2d.index_group = function(id, group) {
   if (!group_index[group]) group_index[group] = []
   if (search(group_index[group], text(id)) == null)
-    push(group_index[group], text(id))
+    group_index[group][] = text(id)
 }
 
 film2d.unindex_group = function(id, group) {
@@ -218,9 +218,9 @@ film2d.query = function(selector) {
         // If also filtering by group, check membership
         if (selector.group) {
           groups = d.groups || []
-          if (search(groups, selector.group) != null) push(result, d)
+          if (search(groups, selector.group) != null) result[] = d
         } else {
-          push(result, d)
+          result[] = d
         }
       }
     }
@@ -232,7 +232,7 @@ film2d.query = function(selector) {
     ids = group_index[selector.group] || []
     for (i = 0; i < length(ids); i++) {
       d = registry[ids[i]]
-      if (d && d.visible != false) push(result, d)
+      if (d && d.visible != false) result[] = d
     }
     return result
   }
@@ -245,7 +245,7 @@ film2d.query = function(selector) {
         if (!seen[ids[i]]) {
           seen[ids[i]] = true
           d = registry[ids[i]]
-          if (d && d.visible != false) push(result, d)
+          if (d && d.visible != false) result[] = d
         }
       }
     }
@@ -268,7 +268,7 @@ film2d.get_groups = function(id) {
 film2d.all_groups = function() {
   var groups = []
   arrfor(array(group_index), g => {
-    if (length(group_index[g]) > 0) push(groups, g)
+    if (length(group_index[g]) > 0) groups[] = g
   })
   return groups
 }
@@ -312,7 +312,7 @@ film2d.render = function(params, render_backend) {
       b = []
       buckets[layer_key] = b
     }
-    push(b, d)
+    b[] = d
   }
 
   // Sort layers numerically (keys are text)
@@ -339,14 +339,14 @@ film2d.render = function(params, render_backend) {
       if (!y_down) b = reverse(b)   // y_up => smaller y draws later => reverse
     }
 
-    for (j = 0; j < length(b); j++) push(sorted_drawables, b[j])
+    for (j = 0; j < length(b); j++) sorted_drawables[] = b[j]
   }
 
   drawables = sorted_drawables
 
   var commands = []
-  push(commands, { cmd: "begin_render", target: target, clear: clear_color, target_size: target_size })
+  commands[] = { cmd: "begin_render", target: target, clear: clear_color, target_size: target_size }
-  push(commands, { cmd: "set_camera", camera: camera })
+  commands[] = { cmd: "set_camera", camera: camera }
 
   var batches = _batch_drawables(drawables)
   var batch = null
@@ -354,18 +354,18 @@ film2d.render = function(params, render_backend) {
   for (i = 0; i < length(batches); i++) {
     batch = batches[i]
     if (batch.type == "sprite_batch")
-      push(commands, { cmd: "draw_batch", batch_type: "sprites", geometry: { sprites: batch.sprites }, texture: batch.texture, material: batch.material })
+      commands[] = { cmd: "draw_batch", batch_type: "sprites", geometry: { sprites: batch.sprites }, texture: batch.texture, material: batch.material }
     else if (batch.type == "mesh2d_batch")
-      push(commands, { cmd: "draw_mesh2d", meshes: batch.meshes, texture: batch.texture, material: batch.material })
+      commands[] = { cmd: "draw_mesh2d", meshes: batch.meshes, texture: batch.texture, material: batch.material }
     else if (batch.type == "text")
-      push(commands, { cmd: "draw_text", drawable: batch.drawable })
+      commands[] = { cmd: "draw_text", drawable: batch.drawable }
     else if (batch.type == "texture_ref")
-      push(commands, { cmd: "draw_texture_ref", drawable: batch.drawable })
+      commands[] = { cmd: "draw_texture_ref", drawable: batch.drawable }
     else if (batch.type == "shape")
-      push(commands, { cmd: "draw_shape", drawable: batch.drawable })
+      commands[] = { cmd: "draw_shape", drawable: batch.drawable }
   }
 
-  push(commands, { cmd: "end_render" })
+  commands[] = { cmd: "end_render" }
   return { commands: commands }
 }
 
@@ -408,9 +408,9 @@ function _batch_drawables(drawables) {
       mat = d.material || {blend: 'alpha', sampler: d.filter || 'nearest'}
 
       if (current && current.type == 'sprite_batch' && current.texture == tex && _mat_eq(current.material, mat)) {
-        push(current.sprites, d)
+        current.sprites[] = d
       } else {
-        if (current) push(batches, current)
+        if (current) batches[] = current
         current = {type: 'sprite_batch', texture: tex, material: mat, sprites: [d]}
       }
     } else if (d.type == 'particles') {
@@ -437,9 +437,9 @@ function _batch_drawables(drawables) {
         }
 
         if (current && current.type == 'sprite_batch' && current.texture == tex && _mat_eq(current.material, mat)) {
-          push(current.sprites, sprite)
+          current.sprites[] = sprite
         } else {
-          if (current) push(batches, current)
+          if (current) batches[] = current
           current = {type: 'sprite_batch', texture: tex, material: mat, sprites: [sprite]}
         }
       }
@@ -480,9 +480,9 @@ function _batch_drawables(drawables) {
           tex = img
           mat = default_mat
           if (current && current.type == 'sprite_batch' && current.texture == tex && _mat_eq(current.material, mat)) {
-            push(current.sprites, sprite)
+            current.sprites[] = sprite
           } else {
-            if (current) push(batches, current)
+            if (current) batches[] = current
             current = {type: 'sprite_batch', texture: tex, material: mat, sprites: [sprite]}
           }
         }
@@ -493,28 +493,28 @@ function _batch_drawables(drawables) {
       mat = d.material || {blend: d.blend || 'alpha', sampler: d.filter || 'linear'}
       
       if (current && current.type == 'mesh2d_batch' && current.texture == tex && _mat_eq(current.material, mat)) {
-        push(current.meshes, d)
+        current.meshes[] = d
       } else {
-        if (current) push(batches, current)
+        if (current) batches[] = current
         current = {type: 'mesh2d_batch', texture: tex, material: mat, meshes: [d]}
       }
     } else if (d.type == 'shape') {
       // Shapes are rendered individually (each has unique SDF params)
       if (current) {
-        push(batches, current)
+        batches[] = current
         current = null
       }
-      push(batches, {type: 'shape', drawable: d})
+      batches[] = {type: 'shape', drawable: d}
     } else {
       if (current) {
-        push(batches, current)
+        batches[] = current
         current = null
       }
-      push(batches, {type: d.type, drawable: d})
+      batches[] = {type: d.type, drawable: d}
     }
   }
   
-  if (current) push(batches, current)
+  if (current) batches[] = current
   return batches
 }
 
@@ -531,7 +531,7 @@ film2d.snapshot = function() {
   for (i = 0; i < length(ids); i++) {
     d = registry[ids[i]]
     if (!d) continue
-    push(result, {
+    result[] = {
       id: ids[i],
       type: d.type,
       pos: d.pos ? {x: d.pos.x, y: d.pos.y} : null,
@@ -546,7 +546,7 @@ film2d.snapshot = function() {
       opacity: d.opacity,
       image: d.image ? (is_text(d.image) ? d.image : '(texture)') : null,
       text: d.text
-    })
+    }
   }
   return result
 }

fx_graph.cm

@@ -67,7 +67,7 @@ fx_graph.add_node = function(type, params) {
     params: local_params,
     output: {node_id: this.next_id - 1, slot: 'output'}
   }
-  push(this.nodes, node)
+  this.nodes[] = node
   return node
 }
 
@@ -203,14 +203,14 @@ NODE_EXECUTORS.composite = function(params, backend) {
   
   // Emit composite_textures command (handled outside render pass)
   var commands = []
-  push(commands, {
+  commands[] = {
     cmd: 'composite_textures',
     base: base.target,
     overlay: overlay.target,
     output: target,
     mode: mode,
     opacity: opacity
-  })
+  }
   
   return {target: target, commands: commands}
 }
@@ -233,14 +233,14 @@ NODE_EXECUTORS.mask = function(params, backend) {
   
   // Emit apply_mask command (handled via shader pass outside render pass)
   var commands = []
-  push(commands, {
+  commands[] = {
     cmd: 'apply_mask',
     content_texture: content.target,
     mask_texture: mask.target,
     output: target,
     mode: mode,
     invert: invert
-  })
+  }
   
   return {target: target, commands: commands}
 }
@@ -307,13 +307,13 @@ NODE_EXECUTORS.blit = function(params, backend) {
   }
   
   var commands = []
-  push(commands, {
+  commands[] = {
     cmd: 'blit',
     texture: src_target,
     target: target,
     dst_rect: dst_rect,
     filter: filter
-  })
+  }
   
   return {target: target, commands: commands}
 }
@@ -323,7 +323,7 @@ NODE_EXECUTORS.present = function(params, backend) {
   var input = params.input
   
   var commands = []
-  push(commands, {cmd: 'present'})
+  commands[] = {cmd: 'present'}
   
   return {commands: commands}
 }
@@ -354,13 +354,13 @@ NODE_EXECUTORS.shader_pass = function(params, backend) {
   }
   
   var commands = []
-  push(commands, {
+  commands[] = {
     cmd: 'shader_pass',
     shader: shader,
     input: src,
     output: target,
     uniforms: uniforms
-  })
+  }
   
   return {target: target, commands: commands}
 }

graphics.cm

@@ -21,8 +21,8 @@ graphics.Image = function(surfaceData) {
   img.cpu = surfaceData || null;
   img.texture = 0;
   img.surface = img.cpu;
-  img.width = surfaceData?.width || 0;
+  img.width = surfaceData.width || 0;
-  img.height = surfaceData?.height || 0;
+  img.height = surfaceData.height || 0;
   img.rect = {x:0, y:0, width:img.width, height:img.height};
   img[LOADING] = false;
   img[LASTUSE] = time.number();
@@ -157,7 +157,7 @@ function decode_aseprite(decoded) {
 function create_image(path){
   def bytes = io.slurp(path);
 
-  var ext = pop(array(path, '.'))
+  var ext = array(path, '.')[]
   var raw = decode_image(bytes, ext);
   var anims = null
   var keys = null
@@ -367,7 +367,7 @@ graphics.texture = function texture(path) {
 }
 
 graphics.tex_hotreload = function tex_hotreload(file) {
-  var basename = array(pop(array(file, '/')), '.')[0]
+  var basename = array(array(file, '/')[], '.')[0]
   
   // Check if this basename exists in our cache
   if (!(basename in cache)) return
@@ -479,10 +479,10 @@ graphics.snapshot = function() {
       info.frame_count = length(entry.frames)
       info.type = 'animation'
     }
-    push(images, info)
+    images[] = info
   })
   arrfor(array(fontcache), function(k) {
-    push(fonts, k)
+    fonts[] = k
   })
   return {images: images, fonts: fonts}
 }

input.cm

@@ -93,13 +93,13 @@ function create_user(index, config) {
     
     // Push entity onto control stack
     push: function(entity) {
-      push(this.control_stack, entity)
+      this.control_stack[] = entity
     },
     
     // Pop from control stack
     pop: function() {
       if (length(this.control_stack) > 1) {
-        return pop(this.control_stack)
+        return this.control_stack[]
       }
       return null
     },
@@ -169,7 +169,7 @@ function pick_user(canon) {
 
         picked.active_device = canon.device_id
         if (find(picked.paired_devices, canon.device_id) == null) {
-          push(picked.paired_devices, canon.device_id)
+          picked.paired_devices[] = canon.device_id
         }
       }
     }
@@ -211,7 +211,7 @@ function configure(o) {
   // Create users
   _users = []
   for (i = 0; i < _config.max_users; i++) {
-    push(_users, create_user(i, _config))
+    _users[] = create_user(i, _config)
   }
 
   _initialized = true
@@ -268,7 +268,7 @@ function snapshot() {
   for (i = 0; i < length(_users); i++) {
     u = _users[i]
     target = u.target()
-    push(users, {
+    users[] = {
       index: u.index,
       device_kind: u.device_kind(),
       active_device: u.active_device,
@@ -276,7 +276,7 @@ function snapshot() {
       down: u.down(),
       control_stack_depth: length(u.control_stack),
       target: target ? (target.name || '(entity)') : null
-    })
+    }
   }
   return {
     max_users: _config.max_users,

input/router.cm

@@ -54,7 +54,7 @@ function gesture_stage(cfg) {
 
         // Only process gamepad touchpad events
         if (ev.control != 'gamepad_touchpad') {
-          push(output, ev)
+          output[] = ev
           continue
         }
 
@@ -86,7 +86,7 @@ function gesture_stage(cfg) {
               d = currentDist - start_dist
 
               if (Math.abs(d) >= pinch_th / 100) {
-                push(output, {
+                output[] = {
                   kind: 'gesture',
                   device_id: ev.device_id,
                   control: d > 0 ? 'pinch_out' : 'pinch_in',
@@ -94,7 +94,7 @@ function gesture_stage(cfg) {
                   released: false,
                   delta: d,
                   time: ev.time
-                })
+                }
                 start_dist = currentDist
               }
             }
@@ -118,14 +118,14 @@ function gesture_stage(cfg) {
                     ? (dx > 0 ? 'swipe_right' : 'swipe_left')
                     : (dy > 0 ? 'swipe_down' : 'swipe_up')
 
-                  push(output, {
+                  output[] = {
                     kind: 'gesture',
                     device_id: ev.device_id,
                     control: dir,
                     pressed: true,
                     released: false,
                     time: ev.time
-                  })
+                  }
                 }
               }
             }
@@ -158,18 +158,18 @@ function emacs_stage() {
 
         // Only process keyboard button events
         if (ev.device_id != 'kbm' || ev.kind != 'button' || !ev.pressed) {
-          push(output, ev)
+          output[] = ev
           continue
         }
 
 /*        if (find(valid_emacs_keys, ev.control) == null) {
-          push(output, ev)
+          output[] = ev
           continue
         }
 */
         // Only process if we have modifiers OR waiting for chord
         if (!ev.mods?.ctrl && !ev.mods?.alt && !prefix) {
-          push(output, ev)
+          output[] = ev
           continue
         }
 
@@ -193,23 +193,23 @@ function emacs_stage() {
         if (prefix) {
           chord = prefix + " " + notation
           prefix = null
-          push(output, {
+          output[] = {
             kind: 'chord',
             device_id: ev.device_id,
             control: chord,
             pressed: true,
             released: false,
             time: ev.time
-          })
+          }
         } else {
-          push(output, {
+          output[] = {
             kind: 'chord',
             device_id: ev.device_id,
             control: notation,
             pressed: true,
             released: false,
             time: ev.time
-          })
+          }
         }
       }
 
@@ -237,14 +237,14 @@ function action_stage(bindings) {
 
         // Pass through non-button events
         if (ev.kind != 'button' && ev.kind != 'chord' && ev.kind != 'gesture') {
-          push(output, ev)
+          output[] = ev
           continue
         }
 
         actions = bindings.get_actions(ev.control)
 
         if (length(actions) == 0) {
-          push(output, ev)
+          output[] = ev
           continue
         }
 
@@ -254,7 +254,7 @@ function action_stage(bindings) {
           if (ev.pressed) down[action] = true
           else if (ev.released) down[action] = false
 
-          push(output, {
+          output[] = {
             kind: 'action',
             device_id: ev.device_id,
             control: action,
@@ -262,7 +262,7 @@ function action_stage(bindings) {
             released: ev.released,
             time: ev.time,
             original: ev
-          })
+          }
         }
       }
 
@@ -304,16 +304,16 @@ function make(user, cfg) {
   var action = null
 
   if (o.gestures != false) {
-    push(stages, gesture_stage(o))
+    stages[] = gesture_stage(o)
   }
 
   if (o.emacs != false) {
-    push(stages, emacs_stage())
+    stages[] = emacs_stage()
   }
 
   action = action_stage(user.bindings)
-  push(stages, action)
+  stages[] = action
-  push(stages, delivery_stage(user))
+  stages[] = delivery_stage(user)
 
   return {
     stages: stages,

line2d.cm

@@ -86,9 +86,9 @@ function build_polyline_mesh(line) {
   for (i = 0; i < length(points); i++) {
     p = points[i]
     if (points_space == 'local') {
-      push(pts, {x: p.x + pos.x, y: p.y + pos.y})
+      pts[] = {x: p.x + pos.x, y: p.y + pos.y}
     } else {
-      push(pts, {x: p.x, y: p.y})
+      pts[] = {x: p.x, y: p.y}
     }
   }
 
@@ -97,7 +97,7 @@ function build_polyline_mesh(line) {
   for (i = 1; i < length(pts); i++) {
     dx = pts[i].x - pts[i-1].x
     dy = pts[i].y - pts[i-1].y
-    push(cumulative, cumulative[i-1] + math.sqrt(dx*dx + dy*dy))
+    cumulative[] = cumulative[i-1] + math.sqrt(dx*dx + dy*dy)
   }
   var total_length = cumulative[length(cumulative) - 1]
 
@@ -207,7 +207,7 @@ function build_polyline_mesh(line) {
       n.y = dx
     }
 
-    push(normals, n)
+    normals[] = n
   }
 
   // Generate vertices (2 per point - left and right of line)
@@ -220,22 +220,22 @@ function build_polyline_mesh(line) {
     u = get_u(i)
 
     // Left vertex (v=0)
-    push(verts, {
+    verts[] = {
       x: p.x + n.x * w,
       y: p.y + n.y * w,
       u: u,
       v: v_offset,
       r: 1, g: 1, b: 1, a: 1
-    })
+    }
 
     // Right vertex (v=1)
-    push(verts, {
+    verts[] = {
       x: p.x - n.x * w,
       y: p.y - n.y * w,
       u: u,
       v: v_scale + v_offset,
       r: 1, g: 1, b: 1, a: 1
-    })
+    }
   }
 
   // Generate indices (triangle strip as triangles)
@@ -243,25 +243,25 @@ function build_polyline_mesh(line) {
   for (i = 0; i < length(pts) - 1; i++) {
     base = i * 2
     // First triangle
-    push(indices, base + 0)
+    indices[] = base + 0
-    push(indices, base + 1)
+    indices[] = base + 1
-    push(indices, base + 2)
+    indices[] = base + 2
     // Second triangle
-    push(indices, base + 1)
+    indices[] = base + 1
-    push(indices, base + 3)
+    indices[] = base + 3
-    push(indices, base + 2)
+    indices[] = base + 2
   }
 
   // Handle closed path
   var last = 0
   if (closed && length(pts) > 2) {
     last = (length(pts) - 1) * 2
-    push(indices, last + 0)
+    indices[] = last + 0
-    push(indices, last + 1)
+    indices[] = last + 1
-    push(indices, 0)
+    indices[] = 0
-    push(indices, last + 1)
+    indices[] = last + 1
-    push(indices, 1)
+    indices[] = 1
-    push(indices, 0)
+    indices[] = 0
   }
   
   // Add round caps if requested
@@ -301,13 +301,13 @@ function add_round_cap(opts) {
   var dy = is_start ? n.x : -n.x
 
   // Center vertex
-  push(verts, {
+  verts[] = {
     x: p.x,
     y: p.y,
     u: u,
     v: 0.5 * v_scale + v_offset,
     r: 1, g: 1, b: 1, a: 1
-  })
+  }
 
   // Arc vertices
   var start_angle = is_start ? math.arc_tangent(n.y, n.x) : math.arc_tangent(-n.y, -n.x)
@@ -320,20 +320,20 @@ function add_round_cap(opts) {
     cx = math.cosine(angle)
     cy = math.sine(angle)
 
-    push(verts, {
+    verts[] = {
       x: p.x + cx * w,
       y: p.y + cy * w,
       u: u,
       v: (0.5 + cy * 0.5) * v_scale + v_offset,
       r: 1, g: 1, b: 1, a: 1
-    })
+    }
   }
 
   // Fan triangles
   for (i = 0; i < segments; i++) {
-    push(indices, base_idx)
+    indices[] = base_idx
-    push(indices, base_idx + 1 + i)
+    indices[] = base_idx + 1 + i
-    push(indices, base_idx + 2 + i)
+    indices[] = base_idx + 2 + i
   }
 }
 
@@ -364,17 +364,17 @@ function add_square_cap(opts) {
   var ey = p.y + dy * ext
 
   // Four corners of the cap
-  push(verts, {x: p.x + n.x * w, y: p.y + n.y * w, u: u, v: v_offset, r: 1, g: 1, b: 1, a: 1})
+  verts[] = {x: p.x + n.x * w, y: p.y + n.y * w, u: u, v: v_offset, r: 1, g: 1, b: 1, a: 1}
-  push(verts, {x: p.x - n.x * w, y: p.y - n.y * w, u: u, v: v_scale + v_offset, r: 1, g: 1, b: 1, a: 1})
+  verts[] = {x: p.x - n.x * w, y: p.y - n.y * w, u: u, v: v_scale + v_offset, r: 1, g: 1, b: 1, a: 1}
-  push(verts, {x: ex + n.x * w, y: ey + n.y * w, u: u, v: v_offset, r: 1, g: 1, b: 1, a: 1})
+  verts[] = {x: ex + n.x * w, y: ey + n.y * w, u: u, v: v_offset, r: 1, g: 1, b: 1, a: 1}
-  push(verts, {x: ex - n.x * w, y: ey - n.y * w, u: u, v: v_scale + v_offset, r: 1, g: 1, b: 1, a: 1})
+  verts[] = {x: ex - n.x * w, y: ey - n.y * w, u: u, v: v_scale + v_offset, r: 1, g: 1, b: 1, a: 1}
   
-  push(indices, base_idx + 0)
+  indices[] = base_idx + 0
-  push(indices, base_idx + 1)
+  indices[] = base_idx + 1
-  push(indices, base_idx + 2)
+  indices[] = base_idx + 2
-  push(indices, base_idx + 1)
+  indices[] = base_idx + 1
-  push(indices, base_idx + 3)
+  indices[] = base_idx + 3
-  push(indices, base_idx + 2)
+  indices[] = base_idx + 2
 }
 
 var defaults = {

particles2d.cm

@@ -18,7 +18,7 @@ var particles2d_proto = {
 var emitters = {
   // Spawn a particle for an emitter
   spawn: function(emitter) {
-    push(emitter.particles, {
+    emitter.particles[] = {
       pos: {
         x: emitter.pos.x + (random() - 0.5) * emitter.spawn_area.width,
         y: emitter.pos.y + (random() - 0.5) * emitter.spawn_area.height
@@ -37,7 +37,7 @@ var emitters = {
         b: emitter.color.b,
         a: 1
       }
-    })
+    }
   },
   
   // Update an emitter and its particles

playdate.cm

@@ -56,7 +56,7 @@ PlaydateBackend.prototype.get_or_create_target = function(width, height, key) {
     key: key
   }
   
-  push(this.target_pool[pool_key], target)
+  this.target_pool[pool_key][] = target
   return target
 }
 

rasterize.cm

@@ -109,12 +109,12 @@ rasterize.ellipse = function ellipse(pos, radii, opt) {
         within_wedge(dx+1, dy, wedge_info)
 
       if (last || !next_in_ring) {
-        push(strips, {
+        strips[] = {
           x: run_start,
           y: y_screen,
           width: (cx + dx) - run_start + 1,
           height: 1
-        })
+        }
         run_start = null
       }
     }
@@ -199,12 +199,10 @@ rasterize.round_rect = function round_rect(rect, radius, thickness) {
     w = dx_out - dx_in
     if (w <= 0) continue
 
-    push(strips,
+    strips[] = { x:cx_l - dx_out,      y:cy_t - dy, width:w, height:1 },
-      { x:cx_l - dx_out,      y:cy_t - dy, width:w, height:1 },
       { x:cx_r + dx_in + 1,   y:cy_t - dy, width:w, height:1 },
       { x:cx_l - dx_out,      y:cy_b + dy, width:w, height:1 },
       { x:cx_r + dx_in + 1,   y:cy_b + dy, width:w, height:1 }
-    )
   }
 
   return {type: 'rects', data: array(rects, strips)}
@@ -235,12 +233,10 @@ rasterize.fill_round_rect = function fill_round_rect(rect, radius) {
     dx = floor(math.sqrt(_radius * _radius - dy * dy))
     w = (dx << 1) + 1
 
-    push(caps,
+    caps[] = { x:cx_l - dx, y:cy_t - dy, width:w, height:1 },
-      { x:cx_l - dx, y:cy_t - dy, width:w, height:1 },
       { x:cx_r - dx, y:cy_t - dy, width:w, height:1 },
       { x:cx_l - dx, y:cy_b + dy, width:w, height:1 },
       { x:cx_r - dx, y:cy_b + dy, width:w, height:1 }
-    )
   }
 
   return {type: 'rects', data: array(rects, caps)}

resources.cm

@@ -94,7 +94,7 @@ function read_ignore(dir) {
     arrfor(lines, function(line) {
       var trimmed = trim(line)
       if (!trimmed || starts_with(trimmed, '#')) return
-      push(patterns, trimmed)
+      patterns[] = trimmed
     })
   }
   return patterns
@@ -115,7 +115,7 @@ Resources.getAllFiles = function(dir) {
       if (!st.filesize) return
       var ext = getExtension(f)
       if (!isRecognizedExtension(ext)) return
-      push(results, fullPath)
+      results[] = fullPath
     } disruption {
       // skip files that can't be stat'd
     }

sdl_gpu.cm

@@ -700,7 +700,7 @@ function _load_image_file(path) {
   var decoded = null
   if (!bytes) return null
 
-  var ext = lower(pop(array(path, '.')))
+  var ext = lower(array(path, '.')[])
   var surface = null
 
   if (ext == 'png' || ext == 'jpg' || ext == 'jpeg' || ext == 'bmp') {
@@ -814,7 +814,7 @@ sdl_gpu.get_or_create_target = function(width, height, key) {
     key: key
   }
   
-  push(_target_pool[pool_key], target)
+  _target_pool[pool_key][] = target
   return target
 }
 
@@ -1225,7 +1225,7 @@ function _execute_commands(commands, window_size) {
       current_camera = cmd.camera
 
     } else if (cmd.cmd == 'draw_batch' || cmd.cmd == 'draw_text' || cmd.cmd == 'draw_texture_ref' || cmd.cmd == 'draw_shape' || cmd.cmd == 'draw_mesh2d') {
-      push(pending_draws, cmd)
+      pending_draws[] = cmd
 
     } else if (cmd.cmd == 'blit') {
       // Flush pending draws first
@@ -2248,7 +2248,7 @@ function _do_shader_pass(cmd_buffer, cmd, get_swapchain_tex) {
   var samplers = [{texture: input.texture, sampler: _sampler_linear}]
   if (cmd.extra_inputs) {
     arrfor(cmd.extra_inputs, function(extra) {
-      push(samplers, {texture: extra.texture, sampler: _sampler_linear})
+      samplers[] = {texture: extra.texture, sampler: _sampler_linear}
     })
   }
   pass.bind_fragment_samplers(0, samplers)

tests/camera_colorspace.ce

@@ -25,7 +25,7 @@ for (i = 0; i < length(formats); i++) {
   if (!colorspaces[fmt.colorspace]) {
     colorspaces[fmt.colorspace] = [];
   }
-  push(colorspaces[fmt.colorspace], fmt);
+  colorspaces[fmt.colorspace][] = fmt;
 }
 
 log.console("\nFound colorspaces:");

tilemap2d.cm

@@ -19,10 +19,10 @@ var tilemap = {
     var y = pos.y - this.offset_y
     
     while (length(this.tiles) <= x)
-      push(this.tiles, [])
+      this.tiles[] = []
 
     while (length(this.tiles[x]) <= y)
-      push(this.tiles[x], null)
+      this.tiles[x][] = null
     
     this.tiles[x][y] = image
   },

tween.cm

@@ -8,7 +8,7 @@ function make_engine(default_clock) {
     tweens: [],
     default_clock: default_clock || null,
     add(tween) {
-      push(this.tweens, tween)
+      this.tweens[] = tween
     },
     remove(tween) {
       this.tweens = filter(this.tweens, t => t != tween)
@@ -164,7 +164,7 @@ var TimelineProto = {
   engine: null,
 
   add_event: function(time_value, fn) {
-    push(this.events, { time: time_value, fn, fired: false })
+    this.events[] = { time: time_value, fn, fired: false }
   },
 
   add_tween: function(obj, props, duration, start_time) {
@@ -257,13 +257,13 @@ $delay(() => {
 function snapshot() {
   var result = []
   arrfor(TweenEngine.tweens, function(tw) {
-    push(result, {
+    result[] = {
       startVals: tw.startVals,
       endVals: tw.endVals,
       duration: tw.duration,
       startTime: tw.startTime,
       easing: tw.easing ? (tw.easing.name || 'unknown') : 'none'
-    })
+    }
   })
   return {active_count: length(TweenEngine.tweens), tweens: result}
 }

world.cm

@@ -73,7 +73,7 @@ world.snapshot = function() {
       if (!is_function(e[k]))
         snap[k] = e[k]
     })
-    push(result, snap)
+    result[] = snap
   })
   return result
 }