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christianwish/compose.ts

Last active November 8, 2021 16:42
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compose.ts
export type COMPOSE = <T>(fn1: (a: T) => T, ...fns: Array<(a: T) => T>) =>
(a: T) => T
export const compose: COMPOSE = (fn1, ...fns) =>
fns.reduce(
(prevFn, nextFn) =>
(value) => prevFn(nextFn(value)),
fn1
);
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