def env

shake@0.7.0.0 · main.bend:125

import Base
import shake@0.7.0.0/src/cli.bend as S

125# this argument, falling back to the env var `var` when the words leave it
126# unbound, before its default, as clap's `.env(var)`: `parse_env` reads it,
127# and help shows `[env: VAR]`
128def env(arg: S.Arg, +var: String) -> S.Arg:
129  S.env(arg, var)