reject$ (original) (raw)

Discard values which pass a test!

Alternatives: reject, reject$, rejectAt.
Similar: map, filter, reject, reduce.

function reject$(x, ft) // x: an array (updated!) // ft: test function (v, i, x)

const xarray = require('extra-array');

var x = [1, 2, 3, 4, 5]; xarray.reject$(x, v => v % 2 === 1); // → [ 2, 4 ]

x; // → [ 2, 4 ]

var x = [1, 2, 3, 4, 5]; xarray.reject$(x, v => v % 2 === 0); // → [ 1, 3, 5 ]

References

• Data.List.filter() : Haskell
• Array.filter() : MDN Web Docs
• iterable_filter() : PHP