I often see custom Exception classes inheriting from StandardError.
Errors which you can generally deal with are subclassed from
StandardError:
module AbstractController
class Error < StandardError #:nodoc:
end
class ActionNotFound < StandardError #:nodoc:
end
unless action_name = method_for_action(action_name)
raise ActionNotFound, "The action '#{action}' could not be found for
#{self.class.name}"
end
But why even bother to create the subclasses (which as shown above,
have no definition of themselves), when substituting ActionNotFound
with StandardError during the raise call will have the same effect.
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