From 9db5760bbc4b56256f2aa6be203737154371e5f4 Mon Sep 17 00:00:00 2001
From: Marek Kaluba <kalmar@amu.edu.pl>
Date: Thu, 30 May 2024 16:13:00 +0200
Subject: [PATCH] SparseCoefficients based on Tuples are truly immutable

---
 src/sparse_coeffs.jl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/sparse_coeffs.jl b/src/sparse_coeffs.jl
index 5f07251..2f6a39a 100644
--- a/src/sparse_coeffs.jl
+++ b/src/sparse_coeffs.jl
@@ -101,6 +101,13 @@ function MA.operate!(::typeof(canonical), res::SparseCoefficients, cmp::C) where
     return res
 end
 
+function MA.operate!(
+    ::typeof(canonical),
+    res::SparseCoefficients{T,I,Tuple{T},Tuple{I}},
+) where {T,I}
+    return res
+end
+
 # arithmetic on coefficients; performance overloads
 
 function MA.operate!(::typeof(zero), s::SparseCoefficients)