Oli Sturm
11 lines
297 B
JavaScript
11 lines
297 B
JavaScript
export const match = (...branches) => (value) => {
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for (const [predicate, handler] of branches) {
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if (predicate(value)) return handler(value);
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}
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throw new Error('No matching pattern');
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};
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export const when = (predicate, handler) => [predicate, handler];
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export const any = () => true;
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