import std.meta: AliasSeq;

struct S

{

    void foo(const ref S rhs)

    {

        alias thisMember = AliasSeq!(__traits(getMember, this, "x"))[0];

        alias rhsMember = AliasSeq!(__traits(getMember, rhs, "x"))[0];

​

        pragma(msg, thisMember.stringof);

        pragma(msg, rhsMember.stringof);

        pragma(msg, __traits(getMember, rhs, "x").stringof);

    }

​

    int x;

}