28 struct Version {  struct
30     constexpr Version() : Version(0u, 0u) {}  in Version()  argument
31     constexpr Version(size_t mj, size_t mi) : majorVer(mj), minorVer(mi) {}  in Version()  function
32     constexpr Version(const std::pair<size_t, size_t>& pair)  in Version()  function
38     inline bool operator==(const Version &other) const {  argument
41     inline bool operator!=(const Version &other) const {
44     inline bool operator<(const Version &other) const {
51     inline bool operator>(const Version &other) const {
54     inline bool operator<=(const Version &other) const {
57     inline bool operator>=(const Version &other) const {
64     inline bool minorAtLeast(const Version& other) const {  in minorAtLeast()  argument