std::char_traits<CharT>::eq, std::char_traits<CharT>::lt
From cppreference.com
< cpp | string | char traits
(1) | ||
static bool eq( char_type a, char_type b ); |
(until C++11) | |
static constexpr bool eq( char_type a, char_type b ) noexcept; |
(since C++11) | |
(2) | ||
static bool lt( char_type a, char_type b ); |
(until C++11) | |
static constexpr bool lt( char_type a, char_type b ) noexcept; |
(since C++11) | |
Compares two characters.
1) Compares
a
and b
for equality.2) Compares
a
and b
in such a way that they are totally ordered.
For the |
(since C++11) |
Parameters
a, b | - | character values to compare |
Return value
1) true if
a
and b
are equal, false otherwise.2) true if
a
is less than b
, false otherwise.Complexity
Constant.