A tutorial on D templates: updates

[bls]

On 01/29/2012 12:44 PM, Philippe Sigaud wrote:
> Hello,
>
> I posted there a few weeks ago about a tutorial on D templates I put in github:
>
> https://github.com/PhilippeSigaud/D-templates-tutorial/blob/master/dtemplates.pdf
>
> Since then, I received numerous mails, issues, advices and thanks. Thank to you all!
>
> Following the ideas found in TDPL, I wrote a D script to extract and test all the samples
> presented in the document. I'm proud to say that right now, all named (module XXX;) samples
> compile, which makes for more than 200 modules tested! Indeed, you could see the entire document
> as a huge package documentation :)
>
> I also added explanations, new sections and a new appendix in D templates resources.
>
> As before, do not hesitate to read, comment, post and even send pull requests, I'm all ears.
>
> Bye,
>
> Philippe

First of all thank you so much for this wonderful book!

I would like to ask for a little enhancement regarding mixin templates. 
see snippet.
The second mixin template "RandomAccessList" is slightly OT 'cause 
Ranges are also touched, but I think this could be very interesting stuff.
A third mixin template example which comes in mind is the Publisher 
subscriber pattern template.

snip.
import std.stdio;
import std.cstream;

void main(string[] args)
{
	// showing mixin template scope.
	auto bar = new Bar();
	writeln(bar.onClick());
	din.getc();
}

mixin template FooMixin()
{
	void init()
	{		
	}
	string onClick()
	{
		return "Clicked";
	}
}

class Foo
{
	mixin FooMixin;
}
class Bar : Foo
{
	
}


// Something more interesting : Mixin templates and ranges

mixin template RandomAccessList()
{
	
	alias typeof(this) Me;
	
	//Either
	static private Me[] MeArray;
	//OR
	private Me next, prev;
	
}
interface IRandomAccessRange {}

class Contacts : IRandomAccessRange // Contacts not Contact !
{
	 mixin RandomAccessList;
	
}