Permutations: Difference between revisions
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m (→ES6: let -> const) |
m (→Functional composition: updated comment line (type signature)) |
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<lang JavaScript>(function () { |
<lang JavaScript>(function () { |
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// [a] -> [[a]] |
// permutations :: [a] -> [[a]] |
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function permutations(xs) { |
function permutations(xs) { |
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return xs.length ? (concatMap( |
return xs.length ? (concatMap( |
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["eat", "Aardvarks", "ants"], ["eat", "ants", "Aardvarks"], |
["eat", "Aardvarks", "ants"], ["eat", "ants", "Aardvarks"], |
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["ants", "Aardvarks", "eat"], ["ants", "eat", "Aardvarks"]]</lang> |
["ants", "Aardvarks", "eat"], ["ants", "eat", "Aardvarks"]]</lang> |
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===ES6=== |
===ES6=== |
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