[Guido] > ... > PEP 237 is about erasing all differences between int and long. When > seen as a long, 0xff000000 has the value 4278190080. But currently it > is an int and has the value -16777216. Note that while it's an int under all current Python installations, the *value* differs: on 64-bit boxes other than Win64, 0xff000000 already has value 4278190080. This creates porting problems too. > As a bit pattern that doesn't make much of a difference, but as a > numeric value it makes a huge difference (2**32 to be exact :-). So > in Python 2.4, 0xff<<24, as well as the constant 0xff000000, will have > the value 4278190080. Some users won't even notice <wink>. They may notice that 0xff00000000000000 "changes value", though. > ... > In the long run you'll thank me for this. I'll start today: thank you.
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