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			46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
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// - src/dstr-binding/error/async-gen-func-decl-dflt.template
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/*---
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description: Nested object destructuring with a null value (async generator function declaration (default parameter))
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esid: sec-asyncgenerator-definitions-instantiatefunctionobject
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features: [async-iteration]
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flags: [generated]
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info: |
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    AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
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        ( FormalParameters ) { AsyncGeneratorBody }
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        [...]
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        3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
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            scope, strict).
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        [...]
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    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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    BindingElement : BindingPattern Initializeropt
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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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    13.3.3.5 Runtime Semantics: BindingInitialization
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    BindingPattern : ObjectBindingPattern
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    1. Let valid be RequireObjectCoercible(value).
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    2. ReturnIfAbrupt(valid).
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---*/
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async function* f([{ x }] = [null]) {
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};
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assert.throws(TypeError, function() {
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  f();
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});
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