Writing pattern matching macros in D.

[Deech via Digitalmars-d-learn]

On Monday, 6 March 2017 at 08:27:13 UTC, David Nadlinger wrote:
> On Monday, 6 March 2017 at 02:20:02 UTC, Deech wrote:
>> […] add pattern matching to the language as a macro.
>
> D doesn't have macros per se. However, template metaprogramming 
> and mixins can replace them in many cases.
>
> Which particular form of pattern matching do you have in mind? 
> You won't get all the way to Haskell (or even Prolog) levels of 
> functionality in a generic way, but for limited use cases, it 
> is definitely possible.
>
>  — David

I was thinking something on the order of Scala's pattern matching 
using apply/unapply methods. 
http://www.artima.com/pins1ed/extractors.html.