From 69bd12bc78b1dbf60c911016c1a475ab2de4fa16 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Mon, 5 Apr 2021 12:00:46 +0200
Subject: Add AsycnDag::head() to get current HEAD id

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
---
 src/async_dag.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/async_dag.rs b/src/async_dag.rs
index 88a839e..85b1f9e 100644
--- a/src/async_dag.rs
+++ b/src/async_dag.rs
@@ -65,6 +65,10 @@ impl<Id, N, Backend> AsyncDag<Id, N, Backend>
             .ok_or_else(|| anyhow!("Node not found"))
     }
 
+    pub fn head(&self) -> &Id {
+        &self.head
+    }
+
     /// Check whether an `id` is in the DAG.
     pub async fn has_id(&self, id: &Id) -> Result<bool> {
         self.stream()
-- 
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