Find first callable/constructable type in union when appropriate#26895
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weswigham
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Sep 5, 2018
| Type '(a: string, b: number) => string | number' is not assignable to type '(a: string, b: number) => number'. | ||
| Type 'string | number' is not assignable to type 'number'. | ||
| Type 'string' is not assignable to type 'number'. | ||
| Type '(a: string, b: number) => string | number' is not assignable to type '(a: string, b: number) => string'. |
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We could avoid these baseline changes if we choose the last matching invokable instead of the first.
RyanCavanaugh
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Sep 5, 2018
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RyanCavanaugh
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+1 for finding the last signature
Picking the last type isn't any better, so I don't think it's worth changing the implementation just to maintain baselines. Plus, I would argue picking the first signature is usually more desirable for anonymous arrow types anyway.
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Fixes #26449