Camber.ledger.must: def of bend-kit-camber@0.15.0.1
Import: import bend-kit-camber@0.15.0.1/camber.bend as Camber
Lines 234-239 of bend-kit-camber@0.15.0.1/camber.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-camber@0.15.0.1/camber.bend&start_line=234&end_line=239

import Base

def ledger.must(booked: Maybe<&1, Ledger>, text: String) -> IO(Ledger):
  match booked:
    case None{}:
      IO.die(Ledger, 1, text)
    case Some{ledger}:
      IO.pure(Ledger, ledger)

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.die
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.pure
  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=bend-kit-camber@0.15.0.1/camber.bend&name=Ledger