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39 lines
836 B
JavaScript
39 lines
836 B
JavaScript
// Copyright (C) 2020 Rick Waldron. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: >
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When the `yield` keyword occurs within the PropertyName of a
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non-generator MethodDefinition within a generator function, it behaves as a
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YieldExpression.
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info: |
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ComputedPropertyName:
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[ AssignmentExpression ]
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AssignmentExpression[In, Yield, Await]:
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[+Yield]YieldExpression[?In, ?Await]
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features: [computed-property-names, generators]
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flags: [noStrict]
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---*/
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function * g() {
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let o = {
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[yield 10]: 1,
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a: 'a'
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};
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yield 20;
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return o;
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}
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let iter = g();
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assert.sameValue(iter.next().value, 10);
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assert.sameValue(iter.next().value, 20);
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let outcome = iter.next().value;
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assert.sameValue(outcome[undefined], 1);
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assert.sameValue(outcome.a, 'a');
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