Store any callable in an array

[Neia Neutuladh]

On Friday, 4 May 2018 at 15:36:29 UTC, wjoe wrote:
> I have a class that I want to be able to register callbacks and 
> I'd like to be able to register any callable - functions, 
> delegates, lambdas, anything.
>
> Is there another way to do it besides converting those 
> toDelegate, which states a bug with @safe functions?
>
> Or better store each type in their own array ?
>
> Cheers!

auto asDelegate(TFunc)(TFunc func) @trusted
{
     import std.functional : toDelegate;
     return toDelegate(func);
}

The "@trusted" means that you promise this thing is safe, even if 
the compiler can't be certain.