Step.env.pick: def of ezsys@0.1.0.0
Import: import ezsys@0.1.0.0/src/step.bend as Step
Lines 52-61 of ezsys@0.1.0.0/src/step.bend: https://jend.leeeet.dev/read.txt?path=ezsys@0.1.0.0/src/step.bend&start_line=52&end_line=61

import Base

# an environment variable's value, or the fallback when it is unset
def env.pick(
  res: Result<&1, &1, U32 & String, String>,
  fallback: String
) -> String:
  match res:
    case Fail{_error}:
      fallback
    case Done{value}:
      value

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32