# nlohmann::json_sax::number_unsigned ```cpp virtual bool number_unsigned(number_unsigned_t val) = 0; ``` An unsigned integer number was read. ## Parameters `val` (in) : unsigned integer value ## Return value Whether parsing should proceed. ## Examples ??? example The example below shows how the SAX interface is used. ```cpp --8<-- "examples/sax_parse.cpp" ``` Output: ```json --8<-- "examples/sax_parse.output" ``` ## Version history - Added in version 3.2.0.