Microsoft/TypeScript
URLSearchParams/Headers constructor also receives iterables including Map
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#19,806 opened on 2017/11/07
Domain: lib.d.tsExperience EnhancementHelp WantedSuggestion
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説明
TypeScript Version: master
Code
new Headers(new Map([['abc', 'bcd']])).get('abc')
new Headers({ [Symbol.iterator]() { return new Map([['abc', 'bcd']]).entries() } }).get('abc')
Expected behavior: Both returns bcd so should pass without errors
Actual behavior: 'not assignable' error