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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