searchAll - nodef/extra-iterable GitHub Wiki

Find indices of values passing a test.

Alternatives: search, searchRight, searchAll. Similar: search, [scan], find.

function searchAll(x, ft)
// x:  an iterable
// ft: test function (v, i, x)

const xiterable = require('extra-iterable');

var x = [1, 2, 3, 4, 5];
[...xiterable.searchAll(x, v => v % 2 == 0)];
// → [1, 3] ^     ^

[...xiterable.searchAll(x, v => v % 2 == 1)];
// → [0, 2, 4] ^     ^

References