def env.pick

ezsys@0.1.0.0 · src/step.bend:52

import Base

52# an environment variable's value, or the fallback when it is unset
53def env.pick(
54  res: Result<&1, &1, U32 & String, String>,
55  fallback: String
56) -> String:
57  match res:
58    case Fail{_error}:
59      fallback
60    case Done{value}:
61      value