Getting nice print of struct for debugging
Minty Fresh via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Fri Feb 24 17:30:09 PST 2017
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.
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