Why isn't opMul allowed in a const expression

[torhu]

Steven Schveighoffer wrote:
> I added:
> 
>   static X tmpOpMul(X x, int y)
>   {
>     return X(x.value * y);
>   }
> 
> To X, and I can do:
> 
> static myX4 = X.tmpOpMul(myX, 4);
> 
> without error.  I don't see how this is any different than calling opMul. 
> It should be evaluatable at compile time, no?
> 

For initializing a constant you need a compile-time value.

 From the docs about compile-time functions:
"4. the function may not be a non-static member, i.e. it may not have a 
this pointer"