On Wed, Apr 27, 2016 at 5:02 AM, Elias Mårtenson wrote: > So, I wanted to simply take a string of characters, and create a list of > each character and the number of occurrences of each character in that > string.
Indeed it could be written in Dyalog very succinctly as
⊣,∘≢⌸ but I would write it portably with outer product:
{v,⍪+⌿⍵∘.≡v←∪⍵}"abcfoobat"
-k
