Short list with things to finish for D2

[Andrei Alexandrescu]

Pelle Månsson wrote:
> Andrei Alexandrescu wrote:
>> * Encode operators by compile-time strings. For example, instead of 
>> the plethora of opAdd, opMul, ..., we'd have this:
>>
>> T opBinary(string op)(T rhs) { ... }
>>
>> The string is "+", "*", etc. We need to design what happens with 
>> read-modify-write operators like "+=" (should they be dispatch to a 
>> different function? etc.) and also what happens with index-and-modify 
>> operators like "[]=", "[]+=" etc. Should we go with proxies? Absorb 
>> them in opBinary? Define another dedicated method? etc.
>>
>> Andrei
> 
> What about pure, what about const?
> 
> Will we need to
> 
> pure T opBinary(string op)(T rhs) if (op == "+" || op == "-") {
>   static if (op == "+") { /* ... */ }
>   else static if (op == "-") { /* ... */ }
> }
> T opBinary(string op)(T rhs) if (op == "+=" || ...) {
>   // more static if's
> }
> 
> thereby duplicating every case?

Well you're better off than before anyway - you get to group operators 
in pure and impure.

Andrei