![show/hide quicksearch [+]](../images/find.png)
 
               # File rbs-1.0.4/lib/rbs/errors.rb, line 163
def self.check!(type_name, env,, member))
  dic = case
        when type_name.class?
          env.class_decls
        when type_name.interface?
          env.interface_decls
        else
          raise
        end
  dic.key?(type_name) or raise new(type_name: type_name, member: member)
end