On Thu, Jul 12, 2007 at 07:39:09PM +0100, Andrew Coppin wrote: > Gregory Propf wrote: >> So what the hell is the difference between them? Int and Integer. They >> aren't synonyms clearly. What's going on? > > Int = 32-bit integer.
Int = 30 bits with undefined overflow behavior That "undefined" gives implementations the freedom to use bigger representations if convenient. GHC: 31, 32 or 64 bits (from source code) Hugs: 32 bits (only tested on a 32 bit computer) YHC: 32 or 64 bits (from source code) JHC: Buggy (maxBound :: Int is negative) Stefan
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