From 9cb3d4f9100c6a9ee1340b3111a739b6c6691f1c Mon Sep 17 00:00:00 2001
From: Jan Orend <56254096+3dJan@users.noreply.github.com>
Date: Wed, 8 Nov 2023 15:38:15 +0100
Subject: [PATCH] [Common/graph] Unsigned indices

---
 Include/Common/Graph/IDirectedGraph.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Include/Common/Graph/IDirectedGraph.h b/Include/Common/Graph/IDirectedGraph.h
index b696dece6..e2d08aed1 100644
--- a/Include/Common/Graph/IDirectedGraph.h
+++ b/Include/Common/Graph/IDirectedGraph.h
@@ -33,7 +33,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 namespace NMR::common::graph
 {
-    using Identifier = int;
+    using Identifier = std::size_t;
     using DependencySet = std::set<Identifier>;
     using VertexList = std::vector<Identifier>;