Re: Address of overloaded functions

[Tyro[17]]

On 7/3/13 12:52 PM, Artur Skawina wrote:
import std.stdio;
    void foo(int a){ writeln("overload int"); }
    void foo(long b){ writeln("overload long"); }

    auto pickOverload(alias FP, A...)() @property { typeof(FP(A.init)) function(A) 
fp = &FP; return fp;}

    void main()
    {
        auto b = pickOverload!(foo, long);
        b(2);
    }

Often I see terse demonstrations of ingenious ways of doing things in 
the language but am at a lost as with regards to under what 
circumstances on would use such a feature. This happens to be one of 
those cases. Could you provide a couple circumstances where this would 
prove useful/handy?


Thanks,

--

Andrew Edwards
--------------------
http://www.akeron.co
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