! See http://factorcode.org/license.txt for BSD license.
!
! Based on pattern matching code from Paul Graham's book 'On Lisp'.
-USING: parser lexer kernel words namespaces sequences classes.tuple
-combinators macros assocs math effects ;
+USING: parser lexer kernel words namespaces make sequences
+classes.tuple combinators macros assocs math effects ;
IN: match
SYMBOL: _