VALUE ERROR: Undefined name: f ⍫f ∧
⍫
Probably bailed at the f first. ⍫ SYNTAX ERROR: Invalid token: "⍫" (⎕UCS 9067, U+236B) ⍫ ∧ ⍫f VALUE ERROR: Undefined name: f ⍫f ∧
O←+ ⋄ O⌽(O←¨)⍬ ⍬