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

Use coerce-contract when building interfaces with contracts.

Browse Source
This commit is contained in:
Stevie Strickland 2012-05-21 16:31:42 -04:00
parent 952af2fa2d
commit 1eec136c3f
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
collects/racket/private/class-internal.rkt
View File

@ -3573,11 +3573,6 @@ An example
"")))))
(interface-public-ids super)))
supers)
;; Check that ctcs are contracts
(for ([(k v) (in-hash ctcs)])
(unless (contract? v)
(obj-error 'interface "contract expression for ~a not a contract: ~a"
k v)))
;; merge properties:
(let ([prop-ht (make-hash)])
;; Hash on gensym to avoid providing the same property multiple
@ -3606,8 +3601,10 @@ An example
(interface-public-ids super)))
supers)
;; Done
(let ([i (interface-make name supers #f (hash-map ht (lambda (k v) k))
ctcs class (hash-map prop-ht (lambda (k v) v)))])
(let* ([new-ctcs (for/hash ([(k v) (in-hash ctcs)])
(values k (coerce-contract 'interface v)))]
[i (interface-make name supers #f (hash-map ht (lambda (k v) k))
new-ctcs class (hash-map prop-ht (lambda (k v) v)))])
(setup-all-implemented! i)
i)))))