Accept Iterable|ArrayLike union in Array.from, add tests#20467
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DanielRosenwasser merged 1 commit intoDec 8, 2017
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Jessidhia
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Dec 5, 2017
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| const result1: A[] = Array.from(inputA); | ||
| const result2: A[] = Array.from(inputA.values()); | ||
| const result3: B[] = Array.from(inputA.values()); // expect error |
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This would not error out if mapfn was optional instead of an extra parameter in an overload
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Fixes #20432, and adds extra tests for #19682. The PR at #19693 that initially closed #19682 accidentally also fixed the incorrect inference that was making the
// expect errorcases not error.