import std.stdio, std.meta, std.traits, std.conv;

​

enum _MyEnum : int { a,b,c}

​

struct _Enum(T)

{

   T value;

   alias value this;

   // generate static field members

   static foreach(e, v; EnumMembers!T)

   {

     pragma(msg, "static MyEnum "~to!string(v)~" = MyEnum(T."~to!string(v)~");");

     mixin("static MyEnum "~to!string(v)~" = cast(MyEnum)(T."~to!string(v)~");");

   }

}

​

alias _Enum!_MyEnum MyEnum;

​

void foo(MyEnum e)

{

   writeln(to!int(e));

}

void main()

{

    foo(MyEnum.a);

    foo(MyEnum.b);

    foo(MyEnum.c);

}