cut

Breaks iterable when test passes. 🏃 📼 📦 🌔 📒

Alternatives: cut, cutRight, cutAt, cutAtRight.
Similar: cut, split, group.

iterable.cut(x, fn);
// x:  an iterable
// fn: test function (v, i, x)

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

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

[...iterable.cut(x, v => v % 2 === 1)];
// [ [], [ 1, 2 ], [ 3, 4 ], [ 5 ] ]

references

• Data.List.splitAt: Haskell
• numpy.split: Python