• Simon Peyton Jones's avatar
    Simplify the MonadFail code · 5e04c384
    Simon Peyton Jones authored
    Simplify and tidy up the MonadFail code.
    See TcMatches.tcMonadFailOp
    
    Less, code; and more robust.
    
    This incidentally fixes a bug; see the change
    to MonadFailErrors.stderr
    5e04c384
TcMatches.hs 43.5 KB