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-rw-r--r--internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/internal.h b/internal.h
index 41e6f2ac66..83883daf46 100644
--- a/internal.h
+++ b/internal.h
@@ -1085,6 +1085,7 @@ VALUE rb_hash_has_key(VALUE hash, VALUE key);
VALUE rb_hash_default_value(VALUE hash, VALUE key);
VALUE rb_hash_set_default_proc(VALUE hash, VALUE proc);
long rb_objid_hash(st_index_t index);
+long rb_dbl_long_hash(double d);
st_table *rb_init_identtable(void);
st_table *rb_init_identtable_with_size(st_index_t size);