DIP 1027---String Interpolation---Format Assessment

[Walter Bright]

On 2/26/2020 5:19 AM, Steven Schveighoffer wrote:
> We can do it without specifying that it's a template or the name of that template.

That isn't what was proposed. I seriously suggest preparing a DIP. Bits and 
pieces spread out over multiple posts and multiple threads is not working.


> But this statement still belies your misunderstanding. D is full of 
> compiler-defined types that are implemented via templates in the library "not 
> specified by the user".

None of them are specified/required by the spec. Again, the spec specifies the 
semantics. Not the implementation method. (This would address my issue with AST 
macros.)