DIP 50 - AST macros

[Zsombor Barna]

On Sunday, 17 November 2013 at 09:13:04 UTC, Walter Bright wrote:
> On 11/14/2013 2:06 PM, deadalnix wrote:
>> You can't argue that string mixin is good while AST macro is 
>> bad.
>
> True, but you also cannot argue that since D has string mixins 
> it must also have AST macros.
>
> What macros do is bless, encourage, and make inevitable a 
> particularly abusive style of programming. D already has super 
> powerful metaprogramming abilities that we are far from 
> exploring the limits of. I don't think we should be adding on 
> even more that experience has shown goes quickly out of control.

Yeah, you are right, but I doubt anybody would use macros in 
production code without considering much less powerful constructs 
of the language to solve the problem. In hobby projects, I don't 
mind if create spaghetti code while experimenting.