Need help with accessing outer object

[deed via Digitalmars-d]

On Tuesday, 30 August 2016 at 02:43:16 UTC, Cherry wrote:

> Can you help me with this code?

class InnerBase { int a = 1; }
class Outer {
     int b = 2;
     class Inner: InnerBase { int c = 3; }
}

void main() {
     Outer outer = new Outer;
     auto inner = outer.new Outer.Inner();
     foo(inner);
}

void foo (T) (T t) {
     import std.stdio : writeln;
     writeln(t.a);           // prints 1
     writeln(t.outer.b);     // prints 2
     writeln(t.c);           // prints 3
}

dmd v2.071.2-b2

This should be posted in Learn at 
http://forum.dlang.org/group/learn