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tonyonodi/cond.ts

Created April 15, 2019 10:54
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cond.ts
const cond = <A, B>(
pairs: [(input: A) => boolean, (input: A) => B][],
fallback: (input: A) => B
) => (value: A): B => {
const pair = pairs.find(([predicate]) => predicate(value));
return pair ? pair[1](value) : fallback(value);
};
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