typedef: what's it good for?

[Simen Kjaeraas]

BCS <none at anon.com> wrote:

> Hello Simen,
>
>> [...] suggest that
>>  typedef int foo;
>>  be kept as it is, and
>>  typedef int bar {
>> /* stuffs */
>> }
>> be sugar for
>>  struct bar {
>> int _payload;
>> alias _payload this;
>> /* stuffs */
>> }
>
> One important aspect of what I proposed is that operators that aren't  
> overridden still exist and use the same codegen as the base type (or are  
> guarantied to generate the same machine code in all cases).
>
>

struct foo {
   float f;
   alias f this;
}

void main( ) {
   foo f;
   f = 3;
   f *= 4;
   f /= 8;
   f += 4/5;
   f -= sqrt( f );
}

This compiles and runs beautifully, so it seems alias this
does what you want.

-- 
Simen