suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Properly parse `Values' in types.

Browse Source 
Closes PR 11145.
This commit is contained in:
Sam Tobin-Hochstadt 2011-08-25 13:41:09 -04:00
parent 4185da9035
commit 3707310250
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
collects/typed-scheme/private/parse-type.rkt
View File

@ -421,8 +421,8 @@
(define (parse-values-type stx)
(parameterize ([current-orig-stx stx])
(syntax-parse stx #:literals (values t:All)
[((~and kw values) tys ... dty :ddd/bound)
(syntax-parse stx #:literals (values t:Values t:All)
[((~and kw (~or t:Values values)) tys ... dty :ddd/bound)
(add-disappeared-use #'kw)
(let ([var (syntax-e #'bound)])
(unless (bound-index? var)
@ -433,14 +433,14 @@
(extend-tvars (list var)
(parse-type #'dty))
var))]
[((~and kw values) tys ... dty _:ddd)
[((~and kw (~or t:Values values)) tys ... dty _:ddd)
(add-disappeared-use #'kw)
(let ([var (infer-index stx)])
(make-ValuesDots (map parse-type (syntax->list #'(tys ...)))
(extend-tvars (list var)
(parse-type #'dty))
var))]
[((~and kw values) tys ...)
[((~and kw (~or t:Values values)) tys ...)
(add-disappeared-use #'kw)
(-values (map parse-type (syntax->list #'(tys ...))))]
[t