std::experimental::erase_if (std::basic_string) - cppreference.com (original) (raw)
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Merged into ISO C++ The functionality described on this page was merged into the mainline ISO C++ standardas of 11/2018, see std::erase_if (since C++20) |
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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());.
[edit] Parameters
| c | - | container from which to erase |
|---|---|---|
| pred | - | predicate that determines which elements should be erased |
[edit] Complexity
Linear.
[edit] Example
#include <experimental/string>
#include
#include
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"