GraphQL::Role::Leaf - GraphQL "leaf" object role

       Allows type constraints for leaf objects.

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

       GraphQL::Role::Leaf - GraphQL "leaf" object role

         with qw(GraphQL::Role::Leaf);

         # or runtime
         Role::Tiny->apply_roles_to_object($foo, qw(GraphQL::Role::Leaf));