7 lines
248 B
Text
7 lines
248 B
Text
$$ n !! k dyadic: Permutations for k out of n elements (in this case k = n)
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$$ #s monadic: number of elements in s
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$$ ,, monadic: expose with space-lf separators
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$$ s[n] index n of s
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'Hello' 123 7.9 '•'=>s;
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s[s# !! (s#)],,
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