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			41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // This file was procedurally generated from the following sources:
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| // - src/dstr-binding/obj-ptrn-prop-id-init.case
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| // - src/dstr-binding/default/async-gen-func-named-expr.template
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| /*---
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| description: Binding as specified via property name, identifier, and initializer (async generator named function expression)
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| esid: sec-asyncgenerator-definitions-evaluation
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| features: [async-iteration]
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| flags: [generated, async]
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| info: |
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|     AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier
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|         ( FormalParameters ) { AsyncGeneratorBody }
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| 
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|         [...]
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|         7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
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|            AsyncGeneratorBody, funcEnv, strict).
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|         [...]
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| 
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| 
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|     13.3.3.7 Runtime Semantics: KeyedBindingInitialization
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| 
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|     SingleNameBinding : BindingIdentifier Initializeropt
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| 
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|     [...]
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|     8. Return InitializeReferencedBinding(lhs, v).
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| ---*/
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| 
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| 
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| var callCount = 0;
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| var f;
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| f = async function* h({ x: y = 33 }) {
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|   assert.sameValue(y, 33);
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|   assert.throws(ReferenceError, function() {
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|     x;
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|   });
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|   callCount = callCount + 1;
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| };
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| 
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| f({ }).next().then(() => {
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|     assert.sameValue(callCount, 1, 'invoked exactly once');
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| }).then($DONE, $DONE);
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