struct vs class for small math types?
dnewsgroup at billbaxter.com
Tue Oct 24 19:45:08 PDT 2006
Mike Parker wrote:
> Bill Baxter wrote:
>> However, for example, with 4 doubles in a quaternion we're talking 32
>> bytes for just one of those guys. Normally in C++ I would write
>> operator overloads and such using 'const quat&' as the argument type
>> to avoid copying the data on the stack. Is there a way to do that in D?
> Use inout arg types. Doesn't give you const, but gives you reference
> void func(inout MyStruct ms)
> ms.x = 10;
> ms.y = 20;
> void main()
> MyStruct ms;
> writefln(ms.x, ", ", ms.y);
Ah, right. That is the equivalent of &, isn't it. Passing pointers
doesn't give me const either so I guess it's ok.
Wasn't D going to get const-by-default at some point? I would like that.
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