[Issue 8441] mixin containing template functions causes compiler errors

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8441



--- Comment #15 from jfanatiker at gmx.at 2013-07-09 22:43:28 PDT ---
> Btw why are you using mixin templates instead of a struct? I know the current
> std.signals uses it, but it's broken because people keep running into Issue
> 5028.

Instead is not quite correct, the mixin is just a wrapper around the FullSignal
struct.

Reasoning:  So only containing object can emit signals. (emit is made private)

It is just a convenience wrapper which implements a good default behaviour in
just one line of code. (Make emit private) Otherwise you would have to
instantiate a FullSignal as private and manually provide methods for accessing
the RestrictedSignal for making connections. Not too much work, but a little
annoying.

You can of course use the struct directly if you want.

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