]
On Behalf Of Alexander D. Knauth
Sent: sábado, 04 de abril de 2015 19:35
To: Jos Koot
Cc: racket-users@googlegroups.com
Subject: Re: [racket-users] Questions: free-identifier=?; literal-id in
syntax-case
On Apr 4, 2015, at 11:22 AM, Jos Koot jos.k...@gmail.com wrote:
The following puzzles me
Subject: Re: [racket-users] Questions: free-identifier=?; literal-id in
syntax-case
On Apr 5, 2015, at 4:07 AM, Jos Koot jos.k...@gmail.com wrote:
Your argument that a literal-id may occur more than once in a pattern makes
sense.
I'll play with syntax-parse and (_ (~and + (~literal
The following puzzles me:
#lang racket
(define plus +)
(free-identifier=? #'+ #'plus) ; - #f
#lang racket
(define-syntax (a stx)
(syntax-case stx ()
((_) (datum-syntax stx (free-identifier=? #'+ #'plus)
(define plus +)
(a) ; - #f
#lang racket
(define plus +)
(define-syntax (a stx)
On Apr 4, 2015, at 11:22 AM, Jos Koot jos.k...@gmail.com wrote:
The following puzzles me:
#lang racket
(define plus +)
(free-identifier=? #'+ #'plus) ; - #f
#lang racket
(define-syntax (a stx)
(syntax-case stx ()
((_) (datum-syntax stx (free-identifier=? #'+ #'plus)
(define
4 matches
Mail list logo
