Frame.cut.at: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/frame.bend as Frame
Lines 35-40 of cswap-bend-cli@0.1.0.0/frame.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/frame.bend&start_line=35&end_line=40

import Base

def cut.at(m: Maybe<&2, Nat>, +s: String) -> Maybe<&2, Cut>:
  match m:
    case None{}:
      None{}
    case Some{+n}:
      Some{Cut{String.take(s, n), String.drop(s, Nat.add(n, 1n))}}

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=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.drop
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.take
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/frame.bend&name=Cut