Improve rule checking, to fix panic Trac #4398
authorsimonpj@microsoft.com <unknown>
Thu, 21 Oct 2010 08:54:02 +0000 (08:54 +0000)
committersimonpj@microsoft.com <unknown>
Thu, 21 Oct 2010 08:54:02 +0000 (08:54 +0000)
commit2454d08942e0422ae90445fa2edbef8927a512d7
tree575090e575292ca4f69572e391c99fe131cedbc4
parentca35995c610a2d3be5fbaad74436e59da364461c
Improve rule checking, to fix panic Trac #4398

Lots of comments with decomposeRuleLhs
compiler/deSugar/Desugar.lhs
compiler/deSugar/DsBinds.lhs