Method if_array

include/boost/json/value.hpp:1403–1409

Return a pointer to the underlying @ref array. If `this->kind() == kind::array`, returns a pointer to the underlying array. Otherwise, returns `nullptr`. @par Example The return value is used in both a boolean context and to assign a variable: @code if( auto p = jv.if_array() ) return *p; @endcode @par Complexit

        @{
    */
    array const*
    if_array() const noexcept
    {
        if(kind() == json::kind::array)
            return &arr_;
        return nullptr;
    }

    array*
    if_array() noexcept