Review of std.signal

[Martin Nowak]

On 01/23/2014 06:16 PM, Martin Nowak wrote:
> Of course there are a few implementation issues.
> - There is no WeakDelegate in druntime or phobos.
>
>    Maybe requiring explicit disconnect is good enough?
>
> - The lifetime of the delegate context could be scoped.
>
>    No idea how to solve this one, but you could require that
>    the delegate context is on the GC heap.
>
> - When used this Signal definition requires boilerplate
>    to restrict access to emit.
>
>    This is unlucky but doesn't justify doubling the complexity
>    of the module.

BTW, this is the reason why I didn't participate in the review.
We need to think harder about solving these issues without degrading the 
API. I am simply lacking the time to get into this, but I'm sure
that a better trade-off can be found.