operator+=()

template<typename BasicJsonType >

iter_impl & nlohmann::detail::iter_impl< BasicJsonType >::operator+= ( difference_type  i )

inline

add to iterator

Precondition

The iterator is initialized; i.e. m_object != nullptr.

Definition at line 12239 of file json.hpp.

    {
        JSON_ASSERT(m_object != nullptr);
 
        switch (m_object->m_type)
        {
            case value_t::object:
                JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators", *m_object));
 
            case value_t::array:
            {
                std::advance(m_it.array_iterator, i);
                break;
            }
 
            case value_t::null:
            case value_t::string:
            case value_t::boolean:
            case value_t::number_integer:
            case value_t::number_unsigned:
            case value_t::number_float:
            case value_t::binary:
            case value_t::discarded:
            default:
            {
                m_it.primitive_iterator += i;
                break;
            }
        }
 
        return *this;
    }