Automatic enumeration iteration generation formation C++'ination.

enum_iter.h

#define enum_helper(type_name,first,last) type_name operator++(type_name & x) {return x = type_name(std::underlying_type<type_name>::type(x) + 1); }\
    type_name operator*(type_name c) {return c;}\
    type_name begin(type_name r) {return type_name:: first;}\
    type_name end(type_name r) {return type_name:: last;}

enum class thingy
{
    a,b,c,d,e,f,g
};

enum_helper(thingy,a,g)