Naive way to implement std::variant refactor it when we move to c++17 users should make sure proper combination of id and value are passed while creat

Result of parsing (wraps ParseErrorCode) ! \ingroup RAPIDJSON_ERRORS \code Document doc; ParseResult ok = doc.Parse("[42]");

* Provides a guarantee log lines will not be dropped. */

C-runtime library allocator. ! This class is just wrapper for standard C library memory routines. \note implements Allocator concept */