21 Strings library [strings]

21.4 Class template basic_string [basic.string]

21.4.8 basic_string non-member functions [string.nonmembers]

21.4.8.6 operator<= [string::op<=]

template<class charT, class traits, class Allocator> bool operator<=(const basic_string<charT,traits,Allocator>& lhs, const basic_string<charT,traits,Allocator>& rhs) noexcept;

1

Returns: lhs.compare(rhs) <= 0.

template<class charT, class traits, class Allocator> bool operator<=(const charT* lhs, const basic_string<charT,traits,Allocator>& rhs);

2

Returns: rhs.compare(lhs) >= 0.

template<class charT, class traits, class Allocator> bool operator<=(const basic_string<charT,traits,Allocator>& lhs, const charT* rhs);

3

Returns: lhs.compare(rhs) <= 0.