std::char_traits::assign

static void assign( char_type& r, const char_type& a );

(until C++17)

static constexpr void assign( char_type& r, const char_type& a );

(since C++17)

static char_type* assign( char_type* p, std::size_t count, char_type a );

(2)

​

r

-

character to assign to

p

-

pointer to a character sequence to assign to

count

-

the length of the character sequence

noexcept specification: noexcept

(since C++11)