import std.stdio;

struct Position {

    int x=0;

    int y=0;

}

//want to iterate struct World members for code generation/binding

struct World {

    float    position;

    bool     active;

    mixin BuildStuff;

}

​

void main() {

    World w;

}

​

mixin template BuildStuff() {

    static foreach(elem; __traits(allMembers, typeof(this))) {

        //pragma(msg, elem);

    }

}

​