Run.head_opt: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/tui/run.bend as Run
Lines 255-260 of cswap-bend-cli@0.1.0.0/tui/run.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/tui/run.bend&start_line=255&end_line=260

import Base

def head_opt(+l: List<&2, String>) -> Maybe<&2, String>:
  match l:
    case Nil{}:
      None{}
    case Con{h, t}:
      Some{h}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String