commit de31adc4f0022ff58aa5b831b7398e8c3e60b0e9
parent 215036e059db349d91d54468dcd2c0ef4937236c
Author: Georges Dupéron <jahvascriptmaniac+github@gmail.com>
Date: Thu, 4 Apr 2019 18:47:15 +0200
Merge pull request #12 from AlexKnauth/patch-1
check tvars are ids before using free-identifier=?
Diffstat:
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/type-expander.hl.rkt b/type-expander.hl.rkt
@@ -1387,7 +1387,7 @@ definitions.
@chunk[<define-type>
(define-syntax new-define-type
(syntax-parser
- [(_ (~or name:id (name:id maybe-tvar …)) . whole-rest)
+ [(_ (~or name:id (name:id maybe-tvar:id …)) . whole-rest)
#:with (tvar …) (if (attribute maybe-tvar) #'(maybe-tvar …) #'())
#:with (tvar-not-ooo …) (filter (λ (tv) (not (free-identifier=? tv #'(… …))))
(syntax->list #'(tvar …)))