Components.utils.import("resource://gre/modules/reflect.jsm") ;
Reflect.parse("42", { builder: {
  program: function program() {
    return 24;
  }
}});
/*
Exception: (function program() {
    return 24;
  }) is not a function
@Scratchpad/2:12
WCA_evalWithDebugger@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js -> resource://gre/modules/devtools/server/actors/webconsole.js:984
WCA_onEvaluateJS@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js -> resource://gre/modules/devtools/server/actors/webconsole.js:658
DSC_onPacket@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js:1013
@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js -> resource://gre/modules/devtools/server/transport.js:258
@resource://gre/modules/devtools/DevToolsUtils.jsm -> resource://gre/modules/devtools/DevToolsUtils.js:75
*/