# File lib/rake.rb, line 1545
1545:     def in_namespace(name)
1546:       name ||= generate_name
1547:       @scope.push(name)
1548:       ns = NameSpace.new(self, @scope)
1549:       yield(ns)
1550:       ns
1551:     ensure
1552:       @scope.pop
1553:     end