std::experimental::basic_string_view<CharT,Traits>:: copy

From cppreference.com
size_type copy ( CharT * dest,

size_type count,

size_type pos = 0 ) const ;
(library fundamentals TS)

Copies the substring [pos, pos + rcount) to the character string pointed to by dest , where rcount is the smaller of count and size ( ) - pos .

Parameters

dest - pointer to the destination character string
pos - position of the first character
count - requested substring length

Return value

Number of characters copied

Exceptions

std::out_of_range if pos > size ( ) .

Complexity

Linear in rcount .

See also

returns a substring
(public member function)