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Add tests

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This commit is contained in:
Anders Hejlsberg 2019-04-06 07:59:39 -10:00
parent f93f8d32c4
commit cd646dab7e
1 changed files with 7 additions and 0 deletions
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tests/cases/conformance/types/typeRelationships/typeInference/unionAndIntersectionInference3.ts Normal file
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// @strict: true
// Repro from #30720
type Maybe<T> = T | undefined;
declare function concatMaybe<T>(...args: (Maybe<T> | Maybe<T>[])[]): T[];
concatMaybe([1, 2, 3], 4);