std::basic_string::copy
From cppreference.com
< cpp | string | basic string
size_type copy( CharT* dest,
size_type count, |
||
Copies a substring [pos, pos+count)
to character string pointed to by dest
. If the requested substring lasts past the end of the string, or if count == npos, the copied substring is [pos, size())
. The resulting character string is not null-terminated.
If pos >= size(), std::out_of_range is thrown.
Contents |
[edit] Parameters
dest | - | pointer to the destination character string |
pos | - | position of the first character to include |
count | - | length of the substring |
[edit] Return value
number of characters copied
[edit] Exceptions
std::out_of_range if pos >= size().
[edit] Complexity
linear in count
[edit] Example
Run this code
#include <string> #include <iostream> int main() { std::string foo("quuuux"); char bar[7]; foo.copy(bar, sizeof bar); bar[6] = '\0'; std::cout << bar << '\n'; }
Output:
quuuux
[edit] See also
returns a substring (public member function) |