lib/clamp/errors.rb in clamp-0.5.1 vs lib/clamp/errors.rb in clamp-0.6.0

@@ -1,22 +1,25 @@
 module Clamp
-  
-  class Error < StandardError
 
+  class DeclarationError < StandardError
+  end
+
+  class RuntimeError < StandardError
+
     def initialize(message, command)
       super(message)
       @command = command
     end
 
     attr_reader :command
 
   end
 
   # raise to signal incorrect command usage
-  class UsageError < Error; end
+  class UsageError < RuntimeError; end
 
   # raise to request usage help
-  class HelpWanted < Error
+  class HelpWanted < RuntimeError
 
     def initialize(command)
       super("I need help", command)
     end