iteragain/dist/esm/quantify.js

Javascript Iterable/Iterator/Generator-function utilities.

import toIterator from './toIterator';
export function quantify(...args) {
    if (args.length === 1)
        return it => quantify(it, args[0]);
    const predicate = args[1];
    let result = 0;
    const it = toIterator(args[0]);
    let next;
    while (!(next = it.next()).done)
        if (predicate(next.value))
            result++;
    return result;
}
export default quantify;
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