size_type copy( CharT* dest,
size_type count,
size_type pos = 0) const;
| (since C++17) |
Copies the substring [pos, pos + rcount) to the character string pointed to by dest, where rcount is the smaller of count and size() - pos.
| dest | - | pointer to the destination character string |
| pos | - | position of the first character |
| count | - | requested substring length |
Number of characters copied.
std::out_of_range if pos > size().
Linear in rcount.
| returns a substring (public member function) |
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