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Improve error reporting for 'deriving'
authorsimonpj@microsoft.com <unknown>
Wed, 31 Dec 2008 14:35:21 +0000 (14:35 +0000)
committersimonpj@microsoft.com <unknown>
Wed, 31 Dec 2008 14:35:21 +0000 (14:35 +0000)
a) Improve the extra suggested fix when there's a "no instance"
   error in a deriving clause.

b) Improve error location recording in tcInstDecl2

Many of the changes in tcInstDecl2 are simple reformatting.


No differences found
Glasgow Haskell Compiler with heterogeneous metaprogramming (generalized arrows and modal types)