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-rw-r--r--hash.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hash.c b/hash.c
index 4ead586..ea42674 100644
--- a/hash.c
+++ b/hash.c
@@ -34,6 +34,13 @@ rb_hash_modify(hash)
rb_raise(rb_eSecurityError, "Insecure: can't modify hash");
}
+VALUE
+rb_hash_freeze(hash)
+ VALUE hash;
+{
+ return rb_obj_freeze(hash);
+}
+
VALUE rb_cHash;
static VALUE envtbl;