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searchAll

Subhajit Sahu edited this page Dec 5, 2022 · 18 revisions

Find keys of entries passing a test.

Alternatives: search, searchAll.
Similar: search, searchValue.


function searchAll(x, ft)
// x:  a map
// ft: test function (v, k, x)
const map = require('extra-map');

var x = new Map([['a', 1], ['b', 2], ['c', 3], ['d', -2]]);
map.searchAll(x, v => v === 2);
// → [ 'b' ]                 ^

map.searchAll(x, v => Math.abs(v) === 2);
// → [ 'b', 'd' ]            ^                   ^


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