std::experimental::basic_string_view<CharT,Traits>::remove_suffix
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< cpp | experimental | basic string view
constexpr void remove_suffix( size_type n ); |
(library fundamentals TS) | |
Moves the end of the view back by n characters.
The behavior is undefined if n > size().
Contents |
[edit] Parameters
n | - | number of characters to remove from the end of the view |
[edit] Return value
(none)
[edit] Complexity
Constant.
[edit] Example
Run this code
#include <experimental/string_view> #include <iostream> int main() { char arr[] = {'a', 'b', 'c', 'd', '\0', '\0', '\0'}; std::experimental::string_view v(arr, sizeof arr); auto trim_pos = v.find('\0'); if (trim_pos != v.npos) v.remove_suffix(v.size() - trim_pos); std::cout << "Array: '" << arr << "', size=" << sizeof arr << '\n' << "View : '" << v << "', size=" << v.size() << '\n'; }
Output:
Array: 'abcd', size=7 View : 'abcd', size=4
[edit] See also
shrinks the view by moving its start forward (public member function) |