how is that different from foo←{goo←{⌽⍵} ⋄ (goo ⍺),(goo ⍵)} (except variable scope)?

edited: how is that different from `foo←{goo←{⌽⍵} ⋄ (goo ⍺),(goo ⍵)}` (except variable scope)?

said: how is that different from `foo←{goo←{⌽⍵} ⋄ (goo ⍺),(goo ⍵)}`?