From 4bf88c847a38ad8b361ca2e1d1ae7bf7df6a3dd8 Mon Sep 17 00:00:00 2001
From: Vincent Le Chenadec <vincentlechenadec@gmail.com>
Date: Fri, 10 May 2024 11:31:08 +0100
Subject: [PATCH] Modifed EdgeIterator inner constructor to handle empty inner
 and/or outer fields.

---
 src/TiledIteration.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TiledIteration.jl b/src/TiledIteration.jl
index 33407eb..6374f78 100644
--- a/src/TiledIteration.jl
+++ b/src/TiledIteration.jl
@@ -25,7 +25,7 @@ struct EdgeIterator{N,UR1,UR2}
     outer::CartesianIndices{N,UR1}
     inner::CartesianIndices{N,UR2}
     function EdgeIterator{N,UR1,UR2}(outer::CartesianIndices{N}, inner::CartesianIndices{N}) where {N,UR1,UR2}
-        ((first(inner) ∈ outer) & (last(inner) ∈ outer)) || throw(DimensionMismatch("$inner must be in the interior of $outer"))
+        issubset(inner, outer) || throw(DimensionMismatch("$inner must be in the interior of $outer"))
         new(outer, inner)
     end
 end