findRight

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wolfram77 edited this page Apr 1, 2020 · 28 revisions

Finds last value which satisfies a test.

Alternatives: left, right, all.

iterable.findRight(x, fn, [ths]);
// x:   an iterable
// fn:  test function (v, i, x)
// ths: this argument

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

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

iterable.findRight(x, v => v % 2 == 1);
// 5                 ^

references