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casheeeewnuts/Currying.ts

Last active July 20, 2022 15:56
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関数をカリー化させる関数の型
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Currying.ts
type Currying<F extends (...args: any[]) => any> = F extends (...args: infer Params) => infer Returned
? Params extends [infer H, ...infer R]
? (h: H) => Currying<(...rests: R) => Returned>
: Params extends [infer L]
? (l: L) => Returned
: Returned
: never
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