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def sys.env

ezsys@0.1.0.0 · src/sys.bend:159

import ezsys@0.1.0.0/src/sys.bend as Sys
import Base
import ezsys@0.1.0.0/src/step.bend as Step

159# an environment variable, or the fallback when it is unset
160def sys.env(name: String, fallback: String) -> IO(String):
161  IO.bind(Result<&1, &1, U32 & String, String>, String, IO.get_env(name),
162    res => IO.pure(String, Step.env.pick(res, fallback)))

Uses (9)

Used by (1)