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Glasgow Haskell Compiler
GHC
Commits
e7158cc7
Commit
e7158cc7
authored
Jun 21, 2007
by
simonpj@microsoft.com
Browse files
Another wibble to the head-exploded error message (suggested by David Roundy)
parent
f84fa8a3
Changes
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compiler/typecheck/TcPat.lhs
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e7158cc7
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@@ -920,7 +920,7 @@ patCtxt pat = Just (hang (ptext SLIT("In the pattern:"))
existentialExplode pat
= hang (vcat [text "My brain just exploded.",
text "I can't handle pattern bindings for existentially-quantified constructors.",
text "Instead, use a case-expression to unpack the constructor.",
text "Instead, use a case-expression
, or do-notation,
to unpack the constructor.",
text "In the binding group for"])
4 (ppr pat)
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