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Check whether internal khash is initialized in Hash#compact!

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Clayton Smith
2017-08-17 12:13:41 -04:00
parent 0789ec71e0
commit 5dc688fb12
1 changed files with 1 additions and 0 deletions
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mrbgems/mruby-hash-ext/src/hash-ext.c
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@@ -52,6 +52,7 @@ hash_compact_bang(mrb_state *mrb, mrb_value hash)
khash_t(ht) *h = RHASH_TBL(hash);
mrb_int n = -1;
if (!h) return mrb_nil_value();
for (k = kh_begin(h); k != kh_end(h); k++) {
if (kh_exist(h, k)) {
mrb_value val = kh_value(h, k).v;