math.combinatorics: fix unit test and help lint
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@ -64,7 +64,7 @@ HELP: combination
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{ $description "Outputs the " { $snippet "mth" } " lexicographical combination of " { $snippet "seq" } " choosing " { $snippet "k" } " elements." }
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{ $notes "Combinations are 0-based and a bounds error will be thrown if " { $snippet "m" } " is larger than " { $snippet "seq length k nCk" } "." }
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{ $examples
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{ $example "USING: math.combinatorics prettyprint ;"
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{ $example "USING: math.combinatorics sequences prettyprint ;"
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"6 7 iota 4 combination ." "{ 0 1 3 6 }" }
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{ $example "USING: math.combinatorics prettyprint ;"
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"0 { \"a\" \"b\" \"c\" \"d\" } 2 combination ." "{ \"a\" \"b\" }" }
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@ -1,4 +1,4 @@
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USING: math.combinatorics math.combinatorics.private tools.test ;
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USING: math.combinatorics math.combinatorics.private tools.test sequences ;
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IN: math.combinatorics.tests
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[ 1 ] [ 0 factorial ] unit-test
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