4 ms·

Pretty sure the words function can be simplified to {⍴(~⍵∊⍺)⊆⍵} (and it also handles empty strings).

• olzd 7y ago
  How nice of you to copy/paste my reddit comment!
  • coldtea 7y ago
    Relevant comment parent mentions here: https://www.reddit.com/r/programming/comments/dku13a/beating_c_with_dyalog_apl_wc/ https://www.reddit.com/r/programming/comments/dku13a/beating...