Short overview on D

[Rikki Cattermole via Digitalmars-d]

On 4/08/2014 12:30 a.m., Bayan Rafeh wrote:
> On Sunday, 3 August 2014 at 11:56:32 UTC, Rikki Cattermole wrote:
>> On 3/08/2014 11:53 p.m., Bayan Rafeh wrote:
>>> Small question. Can anyone give me an example of when one would use a
>>> parametrized block as opposed to a parameterized class or method?
>>
>> mixin templates take the context for which they are mixed in. Basically:
>>
>>
>> mixin template FooT() {
>>     void FooT() {
>>         //...
>>         writeln(bar);
>>     }
>> }
>>
>> void myfunc() {
>>     string bar;
>>     //...
>>     mixin FooT;
>> }
>>
>> Templated classes/structs/unions/method or functions are used for if
>> you want to modify code gen itself.
>
> I'm not sure if we're going to be using templates much so I'm going to
> include a couple of examples you gave, plus the link that Gary posted
> which is better than anything I could write right now. Do you think
> that's enough?

If you're using writeln, you're using templates. Pretty much, once you 
start using them, you'll realize inherently how powerful they are. 
That's why I believe it should be more then just touched upon :)

> And I see what you mean with the with statement. It certainly is an
> intriguing concept, and I would love to see something like that.

It's quite underused. It'll be quite exciting to see it being actually 
used in frameworks.

> Anonymous: I see. C++ first it is.