Re: alias this doesn't work for properties.

[Maxim Fomin]

On Thursday, 1 August 2013 at 21:56:46 UTC, John Colvin wrote:

You are asking for an "int" to be be implicitly convertable to 
an "A", which isn't possible.

http://dpaste.dzfl.pl/c3cce6e2

import std.stdio;


class A
{
    double x;
    @property double X() { writeln("From A.Get"); return x; }
    @property double X(double v) { writeln("From A.Set"); x = v; 
return x; }
    alias X this;
        this(double val) { this.x = val; }
}

class B
{
        A a;
    A Y() { writeln("From B.Get"); return a; }
    A Y(A v ...) { writeln("From B.Set"); a =  v; return a; }

        this() { a = new A(0); }
}


void main()
{
        B b = new B();
        writeln(b.Y);
        b.Y = 3;
        writeln(b.Y);

        readln();
}