Picks an arbitrary permutation.
Alternatives: permutation, permutation$.
Similar: permutation, permutations, hasPermutation.
This is part of package extra-array.
array.permutation$(x, [n], [r]);
// x: an array (updated)
// n: number of values (-1 => any)
// r: random seed 0->1
// → x
const array = require("extra-array");
var x = [1, 2, 3, 4, 5];
array.permutation$(x, 5);
// [ 2, 4, 5, 1, 3 ]
x;
// [ 2, 4, 5, 1, 3 ]
var x = [1, 2, 3, 4, 5];
array.permutation$(x, 5, 0.3);
// [ 5, 3, 1, 2, 4 ]
var x = [1, 2, 3, 4, 5];
array.permutation$(x, 3, 0.3);
// [ 5, 3, 1 ]