tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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var-ary-ptrn-elision-iter-close.js (1410B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/ary-ptrn-elision-iter-close.case
      3 // - src/dstr-binding/iter-close/for-var.template
      4 /*---
      5 description: The iterator is properly consumed by the destructuring pattern (for statement)
      6 esid: sec-for-statement-runtime-semantics-labelledevaluation
      7 features: [generators, destructuring-binding]
      8 flags: [generated]
      9 info: |
     10    IterationStatement :
     11        for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
     12 
     13    1. Let varDcl be the result of evaluating VariableDeclarationList.
     14    [...]
     15 
     16    13.3.2.4 Runtime Semantics: Evaluation
     17 
     18    VariableDeclarationList : VariableDeclarationList , VariableDeclaration
     19 
     20    1. Let next be the result of evaluating VariableDeclarationList.
     21    2. ReturnIfAbrupt(next).
     22    3. Return the result of evaluating VariableDeclaration.
     23 
     24    VariableDeclaration : BindingPattern Initializer
     25 
     26    1. Let rhs be the result of evaluating Initializer.
     27    2. Let rval be GetValue(rhs).
     28    3. ReturnIfAbrupt(rval).
     29    4. Return the result of performing BindingInitialization for BindingPattern
     30       passing rval and undefined as arguments.
     31 ---*/
     32 const iter = (function* () {
     33  yield;
     34  yield;
     35 })();
     36 
     37 
     38 function fn() {
     39  for (var [,] = iter; ; ) {
     40    return;
     41  }
     42 }
     43 
     44 fn();
     45 
     46 assert.sameValue(iter.next().done, true, 'iteration occurred as expected');
     47 
     48 reportCompare(0, 0);