std::basic_string_view::substr
std::basic_string_view::substr
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) |
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