searchAll

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Subhajit Sahu edited this page Feb 3, 2021 · 29 revisions

Finds indices of values passing a test. 🏃 📼 📦 🌔 📒

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

iterable.searchAll(x, ft);
// x:  an iterable
// ft: test function (v, i, x)
// --> indices of value

const iterable = require("extra-iterable");

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

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

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