foreach over enums?

[%u]

enum X { A=3, B=1, C }

void main() {
    foreach(e;X)
        writefln(e.stringof," = ",e);
}
//X.A = 3
//X.B = 1
//X.C = 2
or
//X.B = 1
//X.C = 2
//X.A = 3