# File lib/rake/dsl_definition.rb, line 135 def namespace(name=nil, &block) # :doc: name = name.to_s if name.kind_of?(Symbol) name = name.to_str if name.respond_to?(:to_str) unless name.kind_of?(String) || name.nil? raise ArgumentError, "Expected a String or Symbol for a namespace name" end Rake.application.in_namespace(name, &block) end