Growing a Language (applicable to @attribute design)

[Jacob Carlborg]

On 2012-11-15 20:32, Era Scarecrow wrote:

>   Hmmm... Correct me if I'm wrong, but you can create/use opAssign,
> correct? Although that doesn't work during initialization...
>
> struct MyInt
> {
>    int i;
>    ref MyInt opAssign(int rhs) {
>      i = rhs;
>      return this;
>    }
> }
>
> MyInt x = MyInt(10);
> MyInt y; // = 15; //cannot implicity convert
> y = 15;

That's what a construtor is for:

struct MyInt
{
     int i;

     this (int i)
     {
         this.i = i;
     }

     ref MyInt opAssign(int rhs) {
         i = rhs;
         return this;
     }
}

void main()
{
     MyInt i = 3;
}

-- 
/Jacob Carlborg