[Issue 9603] Signals must work with closure delegates

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http://d.puremagic.com/issues/show_bug.cgi?id=9603



--- Comment #2 from Denis Shelomovskij <verylonglogin....@gmail.com> 2013-02-27 
20:08:09 MSK ---
This code will work once the issue will be fixed:
---
import std.signals;

extern(C) void rt_finalize2(void* p, bool det = true, bool resetMemory = true);

class MyObject
{
    mixin Signal!int actionDone;

    // ...
}

class Observer
{
    void watch(int i) { /* ... */ }
    void watchNo() { /* ... */ }
    void watchSq(int i) { /* ... */ }

    void connectSignals(MyObject obj)
    {
        obj.actionDone.connect(&watch);
        obj.actionDone.connect(i => watch(i)); // should behave as previous one
        obj.actionDone.connect(i => watchNo());
        obj.actionDone.connect(i => watchSq(i * i));
    }
}

void main()
{
    auto obj = new MyObject;
    auto o = new Observer();
    o.connectSignals(obj);
    // ...
    rt_finalize2(cast(void*) o);
    assert(obj.actionDone.slots_idx == 0);
}
---

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