Anonymous function syntax

[Jacob Carlborg]

On 2011-09-22 23:08, bearophile wrote:
> Andrei Alexandrescu:
>
>> A function literal should be comparable to another for equality.
>
> Are you willing to explain me why, and show an use case?
>
> Bye,
> bearophile

When using lambdas as event handlers:

class Foo
{
     event[] events;

     void registerEventHandler (void delegate (event) dg)
     {
         if (!events.contains(dg)) // register a given just delegate once
             events ~= dg;
     }
}



-- 
/Jacob Carlborg