erase() [1/2]

template<class Key , class T , class IgnoredLess = std::less<Key>, class Allocator = std::allocator<std::pair<const Key, T>>>

size_type nlohmann::ordered_map< Key, T, IgnoredLess, Allocator >::erase ( const Key &  key )

inline

Definition at line 17651 of file json.hpp.

    {
        for (auto it = this->begin(); it != this->end(); ++it)
        {
            if (it->first == key)
            {
                // Since we cannot move const Keys, re-construct them in place
                for (auto next = it; ++next != this->end(); ++it)
                {
                    it->~value_type(); // Destroy but keep allocation
                    new (&*it) value_type{std::move(*next)};
                }
 
                Container::pop_back();
                return 1;
            }
        }
 
        return 0;
    }