Function basic_json

3rd/nlohmann_json/include/nlohmann/json.hpp:1474–1478

! @brief create an empty value with a given type Create an empty JSON value with a given type. The value will be default initialized with an empty value which depends on the type: Value type | initial value ----------- | ------------- null | `null` boolean | `false` string | `""` number | `0` object | `{}` array | `[]`

    @since version 1.0.0
    */
    basic_json(const value_t v)
        : m_type(v), m_value(v)
    {
        assert_invariant();
    }

    /*!
    @brief create a null object