`⍟`

)`𝔽⍟𝔾 𝕩`

, `𝕨 𝔽⍟𝔾 𝕩`

: RepeatApply `𝔾`

to `𝕨`

and `𝕩`

, then apply `𝔽`

to `𝕩`

that many times. If `𝕨`

is given, use it each time as a constant left argument.

If `𝔾`

returns an array, give `𝔽⍟𝕩`

for each of its elements.

1 +⍟⊢ 4 8 1 +⍟1‿2‿3 4 ⟨ 5 6 7 ⟩ 3 ∾⍟{≠𝕩} ⟨4,5,6⟩ ⟨ 3 3 3 4 5 6 ⟩