std::basic_string_view::remove_prefix
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std::basic_string_view::remove_prefix
|
(since C++17) |
Moves the start of the view forward by n
characters.
The behavior is undefined if n > size()
.
Parameters
n | - | number of characters to remove from the start of the view |
Return value
(none).
Complexity
Constant.
Example
#include <iostream>
#include <algorithm>
#include <string_view>
int main()
{
std::string str = " trim me";
std::string_view v = str;
v.remove_prefix(std::min(v.find_first_not_of(" "), v.size()));
std::cout << "String: '" << str << "'\n"
<< "View : '" << v << "'\n";
}
Output:
String: ' trim me'
View : 'trim me'
See also
shrinks the view by moving its end backward (public member function) |
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