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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/params/dflt-duplicates.case
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// - src/params/syntax/async-gen-func-decl.template
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/*---
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description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (async generator function declaration)
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esid: sec-asyncgenerator-definitions-instantiatefunctionobject
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features: [default-parameters, async-iteration]
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flags: [generated]
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negative:
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  phase: early
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  type: SyntaxError
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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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    14.1.2 Static Semantics: Early Errors
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    StrictFormalParameters : FormalParameters
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    - It is a Syntax Error if BoundNames of FormalParameters contains any
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      duplicate elements.
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    FormalParameters : FormalParameterList
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    - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
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      false and BoundNames of FormalParameterList contains any duplicate
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      elements.
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---*/
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async function* f(x = 0, x) {
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}
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