[0] {R}←{X}tradfn(Y Z);local
[1] dfn←{
[2] 0 ¯1.2e¯3j¯.45 'string' ⍬
[3] +/-⍣(×A):⍺∇⍵[i;j]
[4] {{{{nested ⍺:∇⍵}⍺:∇⍵}⍺:∇⍵}⍺:∇⍵}
[5] }
[6] label:
[7] :For i :In ⍳X ⋄ :EndFor
[8] :If condition
[9] {⍵[⍋⍵]} ⋄ global←local←0
[10] ⎕error ) ] } :error 'unclosed
[11] :EndIf
[12] search match