# File lib/rake.rb, line 1734
1734:     def in_namespace(name)
1735:       name ||= generate_name
1736:       @scope.push(name)
1737:       ns = NameSpace.new(self, @scope)
1738:       yield(ns)
1739:       ns
1740:     ensure
1741:       @scope.pop
1742:     end