Re^5: Summing Up Array Elements By Group

it was normally not a problem for integers.

I find it odd that it would matter at all for ints.

++a
---
inc a
mov a, reg

a++
---
mov a, reg
inc a
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Re^6: Summing Up Array Elements By Group by gwadej (Chaplain) on Jan 21, 2009 at 20:32 UTC
It doesn't matter for `int`s. But, for various kinds of iterators and other classes supporting `++` it can. (I guess I didn't make that clear.) That's why the suggested practice in C++ lately has been to use `++a` unless you actually need the previous value. That way when you replace that index with an iterator things don't get any slower. G. Wade	[reply] [d/l] [select]