From bc891fb7c99344e2ac79e63df7dd955f51663578 Mon Sep 17 00:00:00 2001
From: Piotr Szulakowski <pszulakowski321@gmail.com>
Date: Fri, 22 Sep 2023 16:02:49 +0200
Subject: [PATCH] Add readonly attribute to AsSpan() methods in InteropArray<T>

---
 NoiseEngine/Interop/InteropArray.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/NoiseEngine/Interop/InteropArray.cs b/NoiseEngine/Interop/InteropArray.cs
index 5843724b..fb449cdc 100644
--- a/NoiseEngine/Interop/InteropArray.cs
+++ b/NoiseEngine/Interop/InteropArray.cs
@@ -85,7 +85,7 @@ public struct InteropArray<T> : IDisposable, IReadOnlyList<T> where T : unmanage
     /// Creates a view into the native memory. Span becomes invalid when the object is disposed.
     /// </summary>
     /// <returns>Span with the view of the memory held by this object.</returns>
-    public unsafe Span<T> AsSpan() {
+    public readonly unsafe Span<T> AsSpan() {
         return new Span<T>(pointer, Length);
     }
 
@@ -96,7 +96,7 @@ public struct InteropArray<T> : IDisposable, IReadOnlyList<T> where T : unmanage
     /// <param name="start">Start index of the span.</param>
     /// <returns>Span with the view of the memory held by this object.</returns>
     /// <throws cref="ArgumentOutOfRangeException"><paramref name="start"/> is out of range.</throws>
-    public unsafe Span<T> AsSpan(int start) {
+    public readonly unsafe Span<T> AsSpan(int start) {
         if (start < 0 || start > Length) {
             throw new ArgumentOutOfRangeException(nameof(start));
         }
@@ -114,7 +114,7 @@ public struct InteropArray<T> : IDisposable, IReadOnlyList<T> where T : unmanage
     /// <throws cref="ArgumentOutOfRangeException">
     /// <paramref name="start"/> is out of range or <paramref name="length"/> is invalid.
     /// </throws>
-    public unsafe Span<T> AsSpan(int start, int length) {
+    public readonly unsafe Span<T> AsSpan(int start, int length) {
         if (start < 0 || start > Length) {
             throw new ArgumentOutOfRangeException(nameof(start));
         }