10 minutes ago, Laurent wrote: > On Tue, Apr 19, 2011 at 10:52, Eli Barzilay <[email protected]> wrote: > > > Yesterday, Jon Rafkind wrote: > > > > > > This is mostly straight-forward except that to get the right lexical > > > scope for `get-x1' we need to do a little hack (by assuming the > > > argument list has at least one thing in it). Of course the original > > > macro could enforce such a property as well. > > > > Why not use `stx' directly? > > > Could you elaborate? `stx' in the docs does not look relevant.
I meant in the argument to `datum->syntax'... 7 minutes ago, Sam Tobin-Hochstadt wrote: > On Mon, Apr 18, 2011 at 2:42 PM, Jon Rafkind <[email protected]> wrote: > > (with-syntax ([id (datum->syntax (car (syntax->list #'(arg > > ...))) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ here > > (string->symbol > > (let ([arg (syntax-e #'arg)] > > ...) > > id-rename)) > > (car (syntax->list #'(arg > > ...))))]) > > This can all be replaced by: > > (with-syntax ([id (format-id stx (let ([arg (syntax-e #'arg)] ..) > id-rename))]) > (begin body ...)) which Sam used in this code. -- ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay: http://barzilay.org/ Maze is Life! _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
