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-rw-r--r--include/ruby/st.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/ruby/st.h b/include/ruby/st.h
index 0d42283364..ba69c066c9 100644
--- a/include/ruby/st.h
+++ b/include/ruby/st.h
@@ -162,6 +162,8 @@ void rb_st_cleanup_safe(st_table *, st_data_t);
#define st_cleanup_safe rb_st_cleanup_safe
void rb_st_clear(st_table *);
#define st_clear rb_st_clear
+st_table *rb_st_replace(st_table *new_tab, st_table *old_tab);
+#define st_replace rb_st_replace
st_table *rb_st_copy(st_table *);
#define st_copy rb_st_copy
CONSTFUNC(int rb_st_numcmp(st_data_t, st_data_t));