more correct syntax and AI instructions

docs/actors.md

@@ -26,13 +26,13 @@ A module is a script that **returns a value**. The returned value is cached and
 // math_utils.cm
 var math = use('math/radians')
 
-function distance(x1, y1, x2, y2) {
+var distance = function(x1, y1, x2, y2) {
   var dx = x2 - x1
   var dy = y2 - y1
   return math.sqrt(dx * dx + dy * dy)
 }
 
-function midpoint(x1, y1, x2, y2) {
+var midpoint = function(x1, y1, x2, y2) {
   return {
     x: (x1 + x2) / 2,
     y: (y1 + y2) / 2
@@ -65,10 +65,10 @@ An actor is a script that **does not return a value**. It runs as an independent
 
 ```javascript
 // worker.ce
-log.console("Worker started")
+print("Worker started")
 
 $receiver(function(msg, reply) {
-  log.console("Received:", msg)
+  print("Received:", msg)
   // Process message...
 })
 ```
@@ -88,7 +88,7 @@ Actors have access to special functions prefixed with `$`:
 Reference to the current actor.
 
 ```javascript
-log.console($me)  // actor reference
+print($me)  // actor reference
 ```
 
 ### $stop()
@@ -105,7 +105,7 @@ Send a message to another actor.
 
 ```javascript
 $send(other_actor, {type: "ping", data: 42}, function(reply) {
-  log.console("Got reply:", reply)
+  print("Got reply:", reply)
 })
 ```
 
@@ -117,7 +117,7 @@ Start a new actor from a script.
 
 ```javascript
 $start(function(new_actor) {
-  log.console("Started:", new_actor)
+  print("Started:", new_actor)
 }, "worker")
 ```
 
@@ -127,7 +127,7 @@ Schedule a callback after a delay.
 
 ```javascript
 $delay(function() {
-  log.console("5 seconds later")
+  print("5 seconds later")
 }, 5)
 ```
 
@@ -174,12 +174,40 @@ $contact(function(connection) {
 
 ### $time_limit(requestor, seconds)
 
-Wrap a requestor with a timeout.
+Wrap a requestor with a timeout. See [Requestors](/docs/requestors/) for details.
 
 ```javascript
 $time_limit(my_requestor, 10)  // 10 second timeout
 ```
 
+### $couple(actor)
+
+Couple the current actor to another actor. When the coupled actor dies, the current actor also dies. Coupling is automatic between an actor and its overling (parent).
+
+```javascript
+$couple(other_actor)
+```
+
+### $unneeded(callback, seconds)
+
+Schedule the actor for removal after a specified time.
+
+```javascript
+$unneeded(function() {
+  // cleanup before removal
+}, 30)
+```
+
+### $connection(callback, actor, config)
+
+Get information about the connection to another actor, such as latency, bandwidth, and activity.
+
+```javascript
+$connection(function(info) {
+  print(info.latency)
+}, other_actor, {})
+```
+
 ## Module Resolution
 
 When you call `use('name')`, ƿit searches:
@@ -204,14 +232,14 @@ Files starting with underscore (`_helper.cm`) are private to the package.
 // main.ce - Entry point
 var config = use('config')
 
-log.console("Starting application...")
+print("Starting application...")
 
 $start(function(worker) {
   $send(worker, {task: "process", data: [1, 2, 3]})
 }, "worker")
 
 $delay(function() {
-  log.console("Shutting down")
+  print("Shutting down")
   $stop()
 }, 10)
 ```