From 67fd77a21dc5b970bcd3cfe3cceb7fcb57aa4c43 Mon Sep 17 00:00:00 2001
From: mtfishman <mfishman@flatironinstitute.org>
Date: Thu, 5 Feb 2026 12:59:31 -0500
Subject: [PATCH] Fix issue in delta constructor

---
 Project.toml                                                  | 2 +-
 .../DiagonalArraysNamedDimsArraysExt.jl                       | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Project.toml b/Project.toml
index 350433a..eeab6dd 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "DiagonalArrays"
 uuid = "74fd4be6-21e2-4f6f-823a-4360d37c7a77"
 authors = ["ITensor developers <support@itensor.org> and contributors"]
-version = "0.3.30"
+version = "0.3.31"
 
 [deps]
 ArrayLayouts = "4c555306-a7a7-4459-81d9-ec55ddd5c99a"
diff --git a/ext/DiagonalArraysNamedDimsArraysExt/DiagonalArraysNamedDimsArraysExt.jl b/ext/DiagonalArraysNamedDimsArraysExt/DiagonalArraysNamedDimsArraysExt.jl
index 7d30d80..bc423d9 100644
--- a/ext/DiagonalArraysNamedDimsArraysExt/DiagonalArraysNamedDimsArraysExt.jl
+++ b/ext/DiagonalArraysNamedDimsArraysExt/DiagonalArraysNamedDimsArraysExt.jl
@@ -1,13 +1,13 @@
 module DiagonalArraysNamedDimsArraysExt
 
 using DiagonalArrays: DiagonalArrays, δ, delta
-using NamedDimsArrays: AbstractNamedUnitRange, nameddims
+using NamedDimsArrays: AbstractNamedUnitRange, denamed, name, nameddims
 
 function DiagonalArrays.delta(
         elt::Type{<:Number},
         is::Tuple{AbstractNamedUnitRange, Vararg{AbstractNamedUnitRange}},
     )
-    return nameddims(delta(elt, Int.(length.(is))), is)
+    return nameddims(delta(elt, length.(denamed.(is))), name.(is))
 end
 # TODO: Make `δ` an alias for `delta` so this isn't needed.
 function DiagonalArrays.δ(