21 Strings library [strings]

21.3 String classes [string.classes]

21.3.3 Non-member functions [string.nonmembers]

21.3.3.2 Non-member comparison functions [string.cmp]

template<class charT, class traits, class Allocator> bool operator==(const basic_string<charT, traits, Allocator>& lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; template<class charT, class traits, class Allocator> bool operator==(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator==(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator!=(const basic_string<charT, traits, Allocator>& lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; template<class charT, class traits, class Allocator> bool operator!=(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator!=(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator< (const basic_string<charT, traits, Allocator>& lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; template<class charT, class traits, class Allocator> bool operator< (const charT* lhs, const basic_string<charT, traits, Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator< (const basic_string<charT, traits, Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator> (const basic_string<charT, traits, Allocator>& lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; template<class charT, class traits, class Allocator> bool operator> (const charT* lhs, const basic_string<charT, traits, Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator> (const basic_string<charT, traits, Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator<=(const basic_string<charT, traits, Allocator>& lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; template<class charT, class traits, class Allocator> bool operator<=(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator<=(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs); template<class charT, class traits, class Allocator> bool operator>=(const basic_string<charT, traits, Allocator>& lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept; template<class charT, class traits, class Allocator> bool operator>=(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs); template<class charT, class traits, class Allocator> bool operator>=(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs);
Effects: Let op be the operator.
Equivalent to:
  return basic_string_view<charT, traits>(lhs) op basic_string_view<charT, traits>(rhs);