std::experimental::basic_string_view<CharT,Traits>::remove_prefix
From cppreference.com
< cpp | experimental | basic string view
constexprvoid remove_prefix(size_type n); | (library fundamentals TS) | |
Moves the start of the view forward by n
characters.
The behavior is undefined if n > size().
Contents |
[edit]Parameters
n | - | number of characters to remove from the start of the view |
[edit]Return value
(none)
[edit]Complexity
Constant.
[edit]Example
Run this code
#include <iostream>#include <experimental/string_view>int main(){std::string str =" trim me";std::experimental::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'
[edit]See also
shrinks the view by moving its end backward (public member function) |