29 Apr
2008
29 Apr
'08
2:53 p.m.
Hi
PROPOSAL 1: Add the following rules to the simplifier:
case unpackCString# "" of ==> case [] of case unpackCString# "xyz" of ==> case (C# 'x': unpackCString# "yz") of
I've been wanting to have a go at hacking GHC for a while, and this seems like a good candidate to start with. If there is no obvious reason this is a bad idea, I'll try and provide a patch and some benchmarks/measurements in about a month. Thanks Neil