Runner.rd.cut.at: def of bend-kit-runner@0.13.0.1
Import: import bend-kit-runner@0.13.0.1/runner.bend as Runner
Lines 690-692 of bend-kit-runner@0.13.0.1/runner.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-runner@0.13.0.1/runner.bend&start_line=690&end_line=692

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

def rd.cut.at(+n: U32, r: Rd) -> Maybe<&1, Rd & Bytes.Bytes>:
  Rd{Bytes.Bytes{+len, buf}, +at} = r
  rd.cut.if(Bytes.fits(len, at, n), Bytes.Bytes{len, buf}, at, n)

Uses (7):
  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=U32
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=fits
  https://jend.leeeet.dev/definition.txt?path=bend-kit-runner@0.13.0.1/runner.bend&name=Rd
  https://jend.leeeet.dev/definition.txt?path=bend-kit-runner@0.13.0.1/runner.bend&name=rd.cut.if