switch to length fn

benchmarks/wota_nota_json.ce

@@ -13,7 +13,7 @@
 //
 
 // Parse command line arguments
-if (arg.length != 2) {
+if (length(arg) != 2) {
   log.console('Usage: cell benchmark_wota_nota_json.ce <LibraryName> <ScenarioName>');
   $stop()
 }
@@ -32,7 +32,7 @@ def libraries = [
     decode: wota.decode,
     // wota produces an ArrayBuffer. We'll count `buffer.byteLength` as size.
     getSize(encoded) {
-      return encoded.length;
+      return length(encoded);
     }
   },
   {
@@ -41,7 +41,7 @@ def libraries = [
     decode: nota.decode,
     // nota also produces an ArrayBuffer:
     getSize(encoded) {
-      return encoded.length;
+      return length(encoded);
     }
   },
   {
@@ -52,7 +52,7 @@ def libraries = [
     // as a rough "size". Alternatively, you could convert to UTF-8 for
     // a more accurate byte size. Here we just use `string.length`.
     getSize(encodedStr) {
-      return encodedStr.length;
+      return length(encodedStr);
     }
   }
 ];
@@ -135,7 +135,7 @@ function runBenchmarkForLibrary(lib, bench) {
   var encodeTime = measureTime(() => {
     for (var i = 0; i < bench.iterations; i++) {
       // For each data item, encode it
-      for (var j = 0; j < bench.data.length; j++) {
+      for (var j = 0; j < length(bench.data); j++) {
         var e = lib.encode(bench.data[j]);
         // store only in the very first iteration, so we can decode them later
         // but do not store them every iteration or we blow up memory.
@@ -185,7 +185,7 @@ if (!bench) {
 var { encodeTime, decodeTime, totalSize } = runBenchmarkForLibrary(lib, bench);
 
 // Output json for easy parsing by hyperfine or other tools
-var totalOps = bench.iterations * bench.data.length;
+var totalOps = bench.iterations * length(bench.data);
 var result = {
   lib: lib_name,
   scenario: scenario_name,