Migrate.Record.check.if: def of bend-kit-migrate@0.3.0.0
Import: import bend-kit-migrate@0.3.0.0/migrate.bend as Migrate
Lines 621-626 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=621&end_line=626

import Base

def Record.check.if(m: Maybe<&2, Key>, r: Record) -> Result<&1, &1, Error, Record>:
  match m:
    case None{}:
      Done{r}
    case Some{k}:
      Fail{Invalid{k}}

Uses (5):
  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=Record