# File lib/rake.rb, line 1879
1879:     def in_namespace(name)
1880:       name ||= generate_name
1881:       @scope.push(name)
1882:       ns = NameSpace.new(self, @scope)
1883:       yield(ns)
1884:       ns
1885:     ensure
1886:       @scope.pop
1887:     end