Author: Steffen Jakob
Date: 06:31:34 11/24/03
Go up one level in this thread
On November 24, 2003 at 08:52:13, Daniel Clausen wrote:
>On November 24, 2003 at 08:39:31, Reinhard Scharnagl wrote:
>
>[snip]
>
>>I thought on using templates, but they (as far as I know) are fine to
>>implement same algorithms to different types. But what I want to have
>>is to implement (nearly equal) algorithms for the same type using two
>>different names.
>
>The formal parameter of a template can either be a type parameter (like int,
>float, class XY, etc) or a constant expression. The example below illustrates
>the 2nd case:
>
>
>#include <iostream>
>
>template <int colour> void print(void)
>{
> std::cout << colour << std::endl;
>}
>
>int main(void)
>{
> print<0>();
> print<1>();
>
> return 0;
>}
I use this approach to write color independent code in Hossa which works fine.
You have to be careful though because Visual C++ 6 generates wrong code for
integer template parameters. If I remember write (I cannot try it out now
because I am sitting in Graz waiting for the start of the 4th round) it would
create the output
0
0
in your example.
Greetings,
Steffen.
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