GraphQL::Debug - debug GraphQL

       Creates debugging output when called. Intended to have its calls optimised out when debugging not sought,
       using the construct shown above. The values given will be passed through "Dumper" in Data::Dumper.

perl v5.34.0                                       2022-03-27                                GraphQL::Debug(3pm)

       GraphQL::Debug - debug GraphQL

         use GraphQL::Debug qw(_debug);
         use constant DEBUG => $ENV{GRAPHQL_DEBUG};
         DEBUG and _debug('current_function', $value1, $value2);