std::basic_string_view<CharT,Traits>::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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