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-rw-r--r--include/ruby/st.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/ruby/st.h b/include/ruby/st.h
index 50f2a75328..ff3da2a9c2 100644
--- a/include/ruby/st.h
+++ b/include/ruby/st.h
@@ -113,6 +113,7 @@ int st_insert(st_table *, st_data_t, st_data_t);
int st_insert2(st_table *, st_data_t, st_data_t, st_data_t (*)(st_data_t));
int st_lookup(st_table *, st_data_t, st_data_t *);
int st_get_key(st_table *, st_data_t, st_data_t *);
+int st_update(st_table *table, st_data_t key, int (*func)(st_data_t key, st_data_t *value, st_data_t arg), st_data_t arg);
int st_foreach(st_table *, int (*)(ANYARGS), st_data_t);
int st_reverse_foreach(st_table *, int (*)(ANYARGS), st_data_t);
void st_add_direct(st_table *, st_data_t, st_data_t);