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authorKaz Kylheku <kaz@kylheku.com>2021-09-02 06:59:47 -0700
committerKaz Kylheku <kaz@kylheku.com>2021-09-02 06:59:47 -0700
commit6cf10bb9919aa27735f7d13539aaa871400777e4 (patch)
treed0ad10c70e01a5ea668105ff1ca882b111811f60 /tests
parentbc987afb87416418841573cd858258438be9f2ea (diff)
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New function: delcons.
* eval.c (eval_init): Register delcons intrinsic. * lib.[ch] (delcons): New function. * tests/010/cons.tl: New file. * txr.1: Documented. * stdlib/doc-syms.tl: Updated.
Diffstat (limited to 'tests')
-rw-r--r--tests/010/cons.tl14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/010/cons.tl b/tests/010/cons.tl
new file mode 100644
index 00000000..de293652
--- /dev/null
+++ b/tests/010/cons.tl
@@ -0,0 +1,14 @@
+(load "../common")
+
+(let ((x (list* 1 2 3 4)))
+ (mtest
+ (set x (delcons x x)) (2 3 . 4)
+ (set x (delcons x x)) (3 . 4)
+ (set x (delcons x x)) 4
+ (set x (delcons x x)) 4))
+
+(let ((x (list* 1 2 3 4 5)))
+ (mtest
+ (delcons (cdr x) x) (1 3 4 . 5)
+ (delcons (cddr x) x) (1 3 . 5)
+ (delcons (cdr x) x) (1 . 5)))