mixin template can't contain statements: workaround?

[Meta via Digitalmars-d-learn]

On Sunday, 15 March 2015 at 01:20:55 UTC, Timothee Cour wrote:
> Why can't we allow mixin templates to contain statements, as is 
> the case
> for regular mixins?
> Is there a workaround?
>
> here's a dummy example:
>
> template mixin Foo{
>  //some statement, eg: 'return;'
> }
>
> void fun(){
>   mixin Foo;
> }
>
> Note that I can do this with a regular mixin, but template 
> mixins are
> cleaner (esp in more complex examples).

Wouldn't the most basic explanation be that templates cannot 
contain statements, therefore mixin templates can't either?