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			65 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // This file was procedurally generated from the following sources:
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| // - src/dstr-binding/ary-ptrn-elem-ary-val-null.case
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| // - src/dstr-binding/error/func-expr.template
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| /*---
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| description: Nested array destructuring with a null value (function expression)
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| esid: sec-function-definitions-runtime-semantics-evaluation
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| features: [destructuring-binding]
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| flags: [generated]
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| info: |
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|     FunctionExpression : function ( FormalParameters ) { FunctionBody }
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| 
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|         [...]
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|         3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody,
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|            scope, strict).
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|         [...]
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| 
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|     9.2.1 [[Call]] ( thisArgument, argumentsList)
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| 
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|     [...]
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|     7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
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|     [...]
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| 
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|     9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
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| 
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|     1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
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|     [...]
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| 
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|     9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
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| 
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|     [...]
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|     23. Let iteratorRecord be Record {[[iterator]]:
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|         CreateListIterator(argumentsList), [[done]]: false}.
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|     24. If hasDuplicates is true, then
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|         [...]
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|     25. Else,
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|         b. Let formalStatus be IteratorBindingInitialization for formals with
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|            iteratorRecord and env as arguments.
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|     [...]
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| 
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|     13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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| 
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|     BindingElement : BindingPattern Initializeropt
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| 
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|     1. If iteratorRecord.[[done]] is false, then
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|        [...]
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|        e. Else
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|           i. Let v be IteratorValue(next).
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|           [...]
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|     4. Return the result of performing BindingInitialization of BindingPattern
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|        with v and environment as the arguments.
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| 
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|     13.3.3.5 Runtime Semantics: BindingInitialization
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| 
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|     BindingPattern : ArrayBindingPattern
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| 
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|     1. Let iterator be GetIterator(value).
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|     2. ReturnIfAbrupt(iterator).
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| ---*/
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| 
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| var f = function([[x]]) {};
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| 
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| assert.throws(TypeError, function() {
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|   f([null]);
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| });
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