rc-js-util
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A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.
14 lines • 397 B
JavaScript
/**
* @public
* Returns a map with keys from both A and B. If both A and B have the same key the value from B will be used.
*
* @remarks
* See {@link mapUnion}.
*/
export function mapUnion(a, b) {
const result = new Map();
a.forEach((item, key) => result.set(key, item));
b.forEach((item, key) => result.set(key, item));
return result;
}
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