summaryrefslogtreecommitdiffstats
path: root/eval.c
diff options
context:
space:
mode:
Diffstat (limited to 'eval.c')
-rw-r--r--eval.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/eval.c b/eval.c
index d9acfda4..7339281e 100644
--- a/eval.c
+++ b/eval.c
@@ -3057,6 +3057,11 @@ static val and_fun(val vals)
return item;
}
+static val not_null(val obj)
+{
+ return if3(nilp(obj), nil, t);
+}
+
static val prinl(val obj, val stream)
{
val ret = obj_print(obj, stream);
@@ -3224,8 +3229,10 @@ void eval_init(void)
reg_fun(intern(lit("typeof"), user_package), func_n1(typeof));
reg_fun(intern(lit("atom"), user_package), func_n1(atom));
- reg_fun(intern(lit("null"), user_package), func_n1(null));
- reg_fun(not_s, func_n1(null));
+ reg_fun(intern(lit("null"), user_package), null_f);
+ reg_fun(intern(lit("false"), user_package), null_f);
+ reg_fun(intern(lit("true"), user_package), func_n1(not_null));
+ reg_fun(not_s, null_f);
reg_fun(intern(lit("consp"), user_package), func_n1(consp));
reg_fun(intern(lit("listp"), user_package), func_n1(listp));
reg_fun(intern(lit("proper-listp"), user_package), func_n1(proper_listp));