== Auszug aus Steven Schveighoffer ([email protected])'s Artikel > On Wed, 09 Feb 2011 16:14:04 -0500, useo <[email protected]> wrote: > > I just have a problem with my variables. > > > > For example... my class/template just looks like: > > > > class Example(T) if (is(T == delegate) || is(T == function)) > > { > > T callback; > > > > void setCallback(T cb) { > > callback = cb; > > } > > > > } > > > > This means that I need variables like Example!(void function()) > > myVariable. But is there any possibility to use variables like > > Example myVariable? The template declaration only defines the type of > > a callback and perhaps one method-declaration nothing else. I already > > tried Example!(void*) because delegates and functions are void > > pointers but I always get an error. I hope there is any way to do > > this. > If I understand you correctly, you don't want to declare the type of T > when instantiating the template? This is not possible, templates must > have all parameters defined at instantiation time. > If you just want a shorter thing to type for Example!(void function ()), > you can do: > alias Example!(void function()) MyType; > MyType myVariable; > -Steve
Yes, right, I don't want declare the template-type. Nevertheless... thanks
