JSON for Modern C++ 3.7.3

Here is a list of all class members with links to the classes they belong to:

### - i -

- initializer_list_t : nlohmann::basic_json
- input_format_t : nlohmann::basic_json
- insert() : nlohmann::basic_json
- insert_iterator() : nlohmann::basic_json
- invalid_iterator : nlohmann::basic_json
- is_array() : nlohmann::basic_json
- is_binary() : nlohmann::basic_json
- is_boolean() : nlohmann::basic_json
- is_discarded() : nlohmann::basic_json
- is_null() : nlohmann::basic_json
- is_number() : nlohmann::basic_json
- is_number_float() : nlohmann::basic_json
- is_number_integer() : nlohmann::basic_json
- is_number_unsigned() : nlohmann::basic_json
- is_object() : nlohmann::basic_json
- is_primitive() : nlohmann::basic_json
- is_string() : nlohmann::basic_json
- is_structured() : nlohmann::basic_json
- items() : nlohmann::basic_json
- iterator : nlohmann::basic_json
- iterator_wrapper() : nlohmann::basic_json