Csv.pk.if: def of bend-kit-csv@0.3.0.0
Import: import bend-kit-csv@0.3.0.0/csv.bend as Csv
Lines 41-47 of bend-kit-csv@0.3.0.0/csv.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-csv@0.3.0.0/csv.bend&start_line=41&end_line=47

import Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes

# Byte i, or 256 past the end.
def pk.if(ok: Bool, a: Array<U32>, +i: U32) -> Array<U32> & U32:
  match ok:
    case True{}:
      Bytes.peek(a, i)
    case False{}:
      (a, 256)

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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=bend-kit-bytes@0.3.3.0/bytes.bend&name=peek