35     Int64& operator++() { Base lhs = *this; lhs++; *this = lhs; return *this; }  member
36     Int64& operator--() { Base lhs = *this; lhs--; *this = lhs; return *this; }  member
37     Int64& operator+=(Base rhs) { Base lhs = *this; lhs += rhs; *this = lhs; return *this; }  member
38     Int64& operator-=(Base rhs) { Base lhs = *this; lhs -= rhs; *this = lhs; return *this; }  member
39     Int64& operator*=(Base rhs) { Base lhs = *this; lhs *= rhs; *this = lhs; return *this; }  member
40     Int64& operator/=(Base rhs) { Base lhs = *this; lhs /= rhs; *this = lhs; return *this; }  member
41     Int64& operator%=(Base rhs) { Base lhs = *this; lhs %= rhs; *this = lhs; return *this; }  member
42     Int64& operator|=(Base rhs) { Base lhs = *this; lhs |= rhs; *this = lhs; return *this; }  member
43     Int64& operator&=(Base rhs) { Base lhs = *this; lhs &= rhs; *this = lhs; return *this; }  member
44     Int64& operator^=(Base rhs) { Base lhs = *this; lhs ^= rhs; *this = lhs; return *this; }  member
45     Int64& operator<<=(int rhs) { Base lhs = *this; lhs <<= rhs; *this = lhs; return *this; }  member
46     Int64& operator>>=(int rhs) { Base lhs = *this; lhs >>= rhs; *this = lhs; return *this; }  member
47     Int64 operator++(int) { Base lhs = *this; *this = lhs + 1; return Int64(lhs); }  member
48     Int64 operator--(int) { Base lhs = *this; *this = lhs - 1; return Int64(lhs); }  member