std::basic_string_view<CharT,Traits>::substr
< cpp | string | basic string view
constexpr basic_string_view substr(size_type pos = 0, size_type count = npos ) const; |
(since C++17) | |
Returns a view of the substring [pos, pos + rcount)
, where rcount
is the smaller of count
and size() - pos.
Parameters
pos | - | position of the first character |
count | - | requested length |
Return value
View of the substring [pos, pos + rcount)
.
Exceptions
std::out_of_range if pos > size()
Complexity
Constant.
See also
copies characters (public member function) | |
find characters in the view (public member function) |