import std;

​

class A { int a, a1; }

class B : A { int b; }

class C : B { int c, c1; }

​

alias AllClasses(T) = Reverse!(AliasSeq!(T, BaseClassesTuple!T[0..$-1]));

alias AllFieldNames(T) = staticMap!(FieldNameTuple, AllClasses!T);

​

void main(){

  static foreach(T; AliasSeq!(A, B, C))

      AllFieldNames!T.stringof.writeln;

}