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32 lines
765 B
TypeScript
32 lines
765 B
TypeScript
// Type definitions for compose-function
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// Project: https://github.com/stoeffel/compose-function
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// Definitions by: Denis Sokolov <https://github.com/denis-sokolov>
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// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
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declare module "compose-function" {
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// Hardcoded signatures for 2-4 parameters
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function f<A, B, C>(
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f1: (b: B) => C,
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f2: (a: A) => B
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): (a: A) => C
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function f<A, B, C, D>(
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f1: (b: C) => D,
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f2: (a: B) => C,
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f3: (a: A) => B
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): (a: A) => D
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function f<A, B, C, D, E>(
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f1: (b: D) => E,
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f2: (a: C) => D,
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f3: (a: B) => C,
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f4: (a: A) => B
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): (a: A) => E
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// Minimal typing for more than 4 parameters
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function f<Result>(
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f1: (a: any) => Result,
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...functions: Function[]
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): (a: any) => Result
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export = f;
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}
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