macro_rules! resource_roles { ( $roles_struct:ident, $actor_field:ident, $updater_field:ident, $actor_field_name:expr, $updater_field_name:expr, $default_rule:expr ) => { ... }; }
macro_rules! resource_roles { ( $roles_struct:ident, $actor_field:ident, $updater_field:ident, $actor_field_name:expr, $updater_field_name:expr, $default_rule:expr ) => { ... }; }