Permutations: Difference between revisions

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===Library based===

{{libheader|Wren-perm}}

<lang ecmascript>import "./perm" for Perm

var a = [1, 2, 3]

System.print(Perm.list(a)) // not lexicographic

System.print()

System.print(Perm.listLex(a)) // lexicographic</lang>

{{out}}

<pre>

[[1, 2, 3], [1, 3, 2], [2, 1, 3], [2, 3, 1], [3, 2, 1], [3, 1, 2]]

[[1, 2, 3], [1, 3, 2], [2, 1, 3], [2, 3, 1], [3, 1, 2], [3, 2, 1]]