{-
    This test verifies that `env:VAR as Location` isn't rejected as referentially opaque,
    as `env:VAR` on its own would.
-}
https://raw.githubusercontent.com/Nadrieril/dhall-rust/f7d8c64a9799f139ad65427c2518376adb9e2e2f/dhall/tests/import/success/unit/asLocation/EnvA.dhall