Commit 3ddb6bb4 authored by's avatar
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Clarify error message (Trac #3805)

parent 4922b3bf
......@@ -871,7 +871,7 @@ checkValSig lhs@(L l _) _
| looks_like_foreign lhs
= parseError l "Invalid type signature; perhaps you meant to use -XForeignFunctionInterface?"
| otherwise
= parseError l "Invalid type signature"
= parseError l "Invalid type signature: should be of form <variable> :: <type>"
-- A common error is to forget the ForeignFunctionInterface flag
-- so check for that, and suggest. cf Trac #3805
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