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elbrujohalcon/joe.erl

Created August 23, 2019 12:44
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joe.erl
-module joe.
-export [test/0].
test() ->
[[]] = joe:perms(""),
["a"] = joe:perms("a"),
["ab", "ba"] = joe:perms("ab"),
["ba", "ab"] = joe:perms("ba"),
["123","132","213","231","312","321"] = joe:perms("123"),
ok.
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