From 6acc0c7c5f1d39d7b9b6eafcb2d6bb766edd07dc Mon Sep 17 00:00:00 2001
From: Pierre Krieger <pierre.krieger1708@gmail.com>
Date: Thu, 19 Jul 2018 14:00:13 +0200
Subject: [PATCH] Add UniqueConnec::is_alive (#339)

---
 core/src/unique.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/core/src/unique.rs b/core/src/unique.rs
index 0a901573..99d0dcf6 100644
--- a/core/src/unique.rs
+++ b/core/src/unique.rs
@@ -212,6 +212,18 @@ impl<T> UniqueConnec<T> {
             UniqueConnecInner::Full { .. } => UniqueConnecState::Full,
         }
     }
+
+    /// Returns true if the object has a pending or active connection. Returns false if the object
+    /// is empty or the connection has errored earlier.
+    #[inline]
+    pub fn is_alive(&self) -> bool {
+        match self.state() {
+            UniqueConnecState::Empty => false,
+            UniqueConnecState::Errored => false,
+            UniqueConnecState::Pending => true,
+            UniqueConnecState::Full => true,
+        }
+    }
 }
 
 impl<T> Clone for UniqueConnec<T> {