Getting nice print of struct for debugging

[Minty Fresh via Digitalmars-d-learn]

On Saturday, 25 February 2017 at 01:27:09 UTC, Minty Fresh wrote:
> On Wednesday, 22 February 2017 at 11:18:15 UTC, Martin 
> Tschierschke wrote:
>> [...]
>
> Since structs are Plain-old Data and don't do inheritance, the 
> best option is a template mixin.
>
> ie.
>
>   template mixin PrettyPrint
>   {
>       string toString()
>       {
>           // . . .
>       }
>   }
>
> From there, you can mix it into any struct you want.
>
>   struct MyStruct
>   {
>       mixin PrettyPrint;
>   }
>
> If you're familiar with Rails, this is similar to a Concern.

Errata on that. Should actually be declared as:

   mixin template PrettyPrint()

This is why I shouldn't make posts from my phone.