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This commit is contained in:
Justin Ethier 2019-05-21 13:02:35 -04:00
parent bbd24a8972
commit 0647ae6166
1 changed files with 18 additions and 5 deletions
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23
test-immut.scm
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@ -2,17 +2,18 @@
(import (scheme base) (scheme write))
;; TODO: make #t respect object type
(define-c immutable?
"(void *data, int argc, closure _, object k, object obj)"
"object result = boolean_f;
"object result = boolean_t;
if (is_object_type(obj) &&
(type_of(obj) == pair_tag ||
type_of(obj) == vector_tag ||
type_of(obj) == bytevector_tag ||
type_of(obj) == string_tag
) &&
immutable(obj) ) {
result = boolean_t;
!immutable(obj) ) {
result = boolean_f;
}
return_closcall1(data, k, result); ")
@ -28,10 +29,11 @@
(define (Cyc-set-immutable! obj val)
(_Cyc-set-immutable! obj val)
(cond
((pair? obj) (map (lambda (o) (_Cyc-set-immutable! o val)) obj))
((vector? obj) (vector-map (lambda (o) (_Cyc-set-immutable! o val)) obj))))
((pair? obj) (for-each (lambda (o) (_Cyc-set-immutable! o val)) obj))
((vector? obj) (vector-for-each (lambda (o) (_Cyc-set-immutable! o val)) obj))))
(define lis '(1 2 3))
(define vec '#((1) 2 3))
(write
(list
@ -42,5 +44,16 @@
(immutable? (car lis))
(set-car! lis 'a)
lis
))
(newline)
(write
(list
(immutable? vec)
(immutable? (vector-ref vec 0))
;(Cyc-set-immutable! vec #f)
(immutable? vec)
(immutable? (vector-ref vec 0))
(vector-set! vec 0 'x)
vec
)
)