def env.get
import shake@0.7.0.0/src/cli.bend as Cliimport Base
1555# the value of the first pair named `name`
1556def env.get(vars: List<&2, Var>, +name: String) -> Maybe<&2, String>:
1557 match vars:
1558 case Nil{}:
1559 None{}
1560 case Con{hh, tt}:
1561 (+nn, +vv) = hh
1562 env.get.at(String.eq(nn, name), vv, env.get(tt, name))