Vec.Vec.pop.if: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/vec.bend as Vec
Lines 90-98 of bend-kit-collections@0.1.4.1/vec.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/vec.bend&start_line=90&end_line=98

import Base

def Vec.pop.if(
  ~T: Data, empty: Bool, +n: U32, buf: Array<T>
) -> Vec<T> & Maybe<&2, T>:
  match empty:
    case True{}:
      (Vec{n, buf}, None{})
    case False{}:
      +m = (n - 1 : U32)
      Vec.get.fin(~T, m, Array.get(T, buf, m))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/vec.bend&name=Vec
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/vec.bend&name=Vec.get.fin