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unique
Subhajit Sahu edited this page May 10, 2020
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28 revisions
Removes duplicate values. 🏃 📼 📦 🌔
iterable.unique(x, [fn]);
// x: an iterable
// fn: compare function (a, b)
const iterable = require('extra-iterable');
var x = [1, 2, 3, 4, 2, 3];
[...iterable.unique(x)];
// [ 1, 2, 3, 4 ]
var x = [1, 2, 3, 4, -2, -3];
[...iterable.unique(x, (a, b) => Math.abs(a) - Math.abs(b))];
// [ 1, 2, 3, 4 ]