From c86355d7e0b6c493b587ef3dbf1f71e4eb3be3b4 Mon Sep 17 00:00:00 2001
From: William Casarin <jb55@jb55.com>
Date: Mon, 22 Jul 2024 15:43:04 -0700
Subject: [PATCH] add subscription count function

Signed-off-by: William Casarin <jb55@jb55.com>
---
 src/ndb.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/ndb.rs b/src/ndb.rs
index cabf54d..406f70c 100644
--- a/src/ndb.rs
+++ b/src/ndb.rs
@@ -111,6 +111,12 @@ impl Ndb {
         }
     }
 
+    pub fn subscription_count(&self) -> u32 {
+        unsafe {
+            bindings::ndb_num_subscriptions(self.as_ptr()) as u32
+        }
+    }
+
     pub fn subscribe(&self, filters: Vec<Filter>) -> Result<Subscription> {
         unsafe {
             let mut ndb_filters: Vec<bindings::ndb_filter> =