Cli.get_opt: def of cli@0.2.0.0
Import: import cli@0.2.0.0/cli.bend as Cli
Lines 4577-4580 of cli@0.2.0.0/cli.bend: https://jend.leeeet.dev/read.txt?path=cli@0.2.0.0/cli.bend&start_line=4577&end_line=4580

import Base

def get_opt(~T: Data, ~conv: String -> T, f: Field) -> Maybe<&2, T>:
  match f:
    case Field{id, head <> tail, source}: Some{conv(head)}
    case _: None{}

Uses (4):
  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
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=Field