Migrate.need.flag: def of bend-kit-migrate@0.3.0.0
Import: import bend-kit-migrate@0.3.0.0/migrate.bend as Migrate
Lines 449-456 of bend-kit-migrate@0.3.0.0/migrate.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-migrate@0.3.0.0/migrate.bend&start_line=449&end_line=456

import Base

def need.flag(m: Maybe<&1, Scalar>, k: Key) -> Result<&1, &1, Error, Bool>:
  match m:
    case None{}:
      Fail{Missing{k}}
    case Some{SFlag{b}}:
      Done{b}
    case Some{s}:
      Fail{BadField{k}}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bend-kit-migrate@0.3.0.0/migrate.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=bend-kit-migrate@0.3.0.0/migrate.bend&name=Key
  https://jend.leeeet.dev/definition.txt?path=bend-kit-migrate@0.3.0.0/migrate.bend&name=Scalar