std::experimental::erase_if (std::basic_string)
From cppreference.com
< cpp | experimental
| Defined in header <experimental/string>
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| template< class CharT, class Traits, class Alloc, class Pred > void erase_if( std::basic_string<CharT, Traits, Alloc>& c, Pred pred ); |
(library fundamentals TS v2) | |
Erases all elements that satisfy the predicate pred from the container. Equivalent to c.erase(std::remove_if(c.begin(), c.end(), pred), c.end());.
Contents |
[edit] Parameters
| c | - | container from which to erase |
| pred | - | predicate that determines which elements should be erased |
[edit] Complexity
Linear.
[edit] Example
Run this code
#include <experimental/string> #include <iomanip> #include <iostream> int main() { std::string data{"1337!p_C00L_<a-_HACKER_!@s_(!s#@_w^o%r*d#42"}; std::cout << "Original string: " << std::quoted(data) << '\n'; auto crack = [](auto O) { return '`' ^ ('`' & O); }; std::experimental::erase_if(data, crack); std::cout << "After erase_if: " << std::quoted(data) << '\n'; }
Output:
Original string: "1337!p_C00L_<a-_HACKER_!@s_{!s#@_w^o%r*d#42"
After erase_if: "password"[edit] See also
| removes elements satisfying specific criteria (function template) | |
| (library fundamentals 2 TS) |
erases all elements equal to a specific value from a std::basic_string (function template) |
