// PERMUTE_ARGS: // https://issues.dlang.org/show_bug.cgi?id=15780 void foo(alias fields)() { foreach(i, field; fields) { enum string a = fields[i]; // OK enum string b = field; // not OK with 2.069.2 ??? } } void main() { foo!(tuple("H", "I"))(); } Tuple!T tuple(T...)(T values) { return Tuple!T(values); } struct Tuple(T...) { T values; alias values this; }