Has the semantics of const_cast<const basic_json&>(*this).rend().
Example\n The following code shows an example for crend(). \n @includelineno crend.cpp \n Output (play with this example @htmlinclude crend.link):\n @verbinclude crend.output \n The example code above can be translated with @verbatim g++ -std=c++11 -Isrc doc/examples/crend.cpp -o crend @endverbatim