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# std::basic_string_view::copy

From cppreference.com
< cpp‎ | string‎ | basic string view

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.

### [edit] Parameters

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

### [edit] Return value

Number of characters copied

### [edit] Exceptions

std::out_of_range if pos > size().

### [edit] Complexity

Linear in `rcount`.

### [edit] See also

substr | returns a substring (public member function) [edit]

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