Permutations: Difference between revisions
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→{{header|Sidef}}: updated code
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=={{header|Sidef}}==
===Built-in===
<syntaxhighlight lang="ruby">[0,1,2].permutations { |
say
}</syntaxhighlight>
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loop {
callback(
var p = n-1
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}
forperm({|*p| say p }, 3)</syntaxhighlight>
===Recursive===
<syntaxhighlight lang="ruby">func permutations(callback, set, perm=[]) {
set
for i in ^set {
__FUNC__(callback, [
set[
], [perm..., set[i]])
}
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