Cli.placeholder: def of cli@0.2.0.0
Import: import cli@0.2.0.0/cli.bend as Cli
Lines 6336-6339 of cli@0.2.0.0/cli.bend: https://jend.leeeet.dev/read.txt?path=cli@0.2.0.0/cli.bend&start_line=6336&end_line=6339

import Base

# The name in a usage's <>, or in an optional positional's [].
def placeholder(+usage: String) -> String:
  Bool.pick(String, String.contains(usage, "<"), between(usage, '<', '>'),
    between(usage, '[', ']'))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.contains
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=between