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std::char_traits::eq, std::char_traits::lt

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< cpp‎ | string‎ | char traits
Revision as of 09:42, 9 June 2013 by P12 (Talk | contribs)

(1)
static bool eq( char_type a, char_type b );
(until C++11)
static constexpr bool eq( char_type a, char_type b );
(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 );
(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.

Contents

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.

Exceptions

noexcept specification:  
noexcept
  
(since C++11)

Complexity

Constant.