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authorYukihiro "Matz" Matsumoto <[email protected]>2016-12-12 00:49:23 +0900
committerGitHub <[email protected]>2016-12-12 00:49:23 +0900
commit1fbad32f8bce2a10c591d0e44796bc34913a0e8c (patch)
tree8ba3d7bd9992f0097f99a034012565adb43c4d4a /src/array.c
parent3cc913490b708fe4d0e78e48f86e6e39cf3d8576 (diff)
parent10bb7ad693e7c7443de924a39c1fedb4461108ba (diff)
downloadmruby-1fbad32f8bce2a10c591d0e44796bc34913a0e8c.tar.gz
mruby-1fbad32f8bce2a10c591d0e44796bc34913a0e8c.zip
Merge pull request #3340 from k0kubun/object-freeze
Implement Object#freeze
Diffstat (limited to 'src/array.c')
-rw-r--r--src/array.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/array.c b/src/array.c
index f6599bd5b..c6bac7b47 100644
--- a/src/array.c
+++ b/src/array.c
@@ -108,6 +108,10 @@ ary_fill_with_nil(mrb_value *ptr, mrb_int size)
static void
ary_modify(mrb_state *mrb, struct RArray *a)
{
+ if (RBASIC_FROZEN_P(a)) {
+ mrb_raise(mrb, E_RUNTIME_ERROR, "can't modify frozen array");
+ }
+
if (ARY_SHARED_P(a)) {
mrb_shared_array *shared = a->aux.shared;