dhall-1.36.0: dhall-lang/tests/normalization/success/unit/TextReplaceAbstractA.dhall
{- This test verifies that an implementation correctly permits both the
"replacement" and the "haystack" to be abstract.
-}
λ(x : Text) → λ(y : Text) → Text/replace "a" "-${x}-" "_a_${y}_a_"