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-rw-r--r--node.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/node.h b/node.h
index 6c8acb59b0..13b0279f3e 100644
--- a/node.h
+++ b/node.h
@@ -357,6 +357,7 @@ void rb_add_method _((VALUE, ID, NODE *, int));
NODE *rb_node_newnode _((enum node_type,VALUE,VALUE,VALUE));
NODE* rb_method_node _((VALUE klass, ID id));
+int rb_node_arity _((NODE* node));
struct global_entry *rb_global_entry _((ID));
VALUE rb_gvar_get _((struct global_entry *));