#2360: More information in occurs check message
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Reporter: ajd | Owner:
Type: feature request | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.8.2
Severity: normal | Resolution:
Keywords: | Testcase:
Architecture: Unknown | Os: Unknown
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Changes (by claus):
* cc: claus (added)
Comment:
Perhaps the issue isn't specific to occurs check messages? See my comments
on #1928.
Even in the trivial example given here, it would help to have the types
for `foo`'s rhs and `foo`'s lhs/signature in the message (`a -> a` vs `[a]
-> a`), to provide context for the type error.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2360#comment:1>
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