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.
18 lines • 398 B
JavaScript
/**
* @public
* returns items in A not in B.
*
* @remarks
* See {@link arraySetDifference}.
*/
export function arraySetDifference(a, b) {
const result = new Set();
for (let i = 0, iEnd = a.length; i < iEnd; ++i) {
const item = a[i];
if (!b.has(item)) {
result.add(item);
}
}
return result;
}
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