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dhall-haskell/dhall/tests/import/failure/alternativeEnv.dhall

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Alternative Imports (#473) This implements dhall-lang/dhall-lang#172, by adding "alternative imports", as detailed in dhall-lang/dhall-lang#163. We add: - a `?` operator for specifying alternatives for Imports that fail to resolve - a `missing` keyword for impossible imports (identity for the above operator) Also adds tests for all of the above.
2018-06-28 18:00:00 +02:00
env:UNSET1 as Text ? env:UNSET2 ? missing ? env:UNSET3