std::experimental::erase_if (std::forward_list)

Header: <experimental/forward_list>

Erases all elements that satisfy the predicate pred from the container. Equivalent to c.remove_if(pred);.

# Declarations

template< class T, class Alloc, class Pred >
void erase_if( std::forward_list<T, Alloc>& c, Pred pred );

(library fundamentals TS v2)

# Parameters

# Example

#include <experimental/forward_list>
#include <iostream>
 
template<typename Os, typename Container>
inline Os& operator<<(Os& os, Container const& container)
{
    os << "{ ";
    for (const auto& item : container)
        os << item << ' ';
    return os << '}';
}
 
int main()
{
    std::forward_list<int> data{3, 3, 4, 5, 5, 6, 6, 7, 2, 1, 0};
    std::cout << "Original:\n" << data << '\n';
    auto divisible_by_3 = [](auto const& x) { return (x % 3) == 0; };
    std::experimental::erase_if(data, divisible_by_3);
    std::cout << "Erase all items divisible by 3:\n" << data << '\n';
}

# See also