frozen

VerifyTests · Jan 8, 2024 · 2348536 · 2348536
1 parent 7c39756
commit 2348536
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/src/DiffEngine/DiffEngine.csproj b/src/DiffEngine/DiffEngine.csproj
@@ -15,6 +15,7 @@
     <PackageReference Include="Caseless.Fody" Version="1.9.1" PrivateAssets="All" />
     <PackageReference Include="EmptyFiles" Version="8.1.0" PrivateAssets="None" />
     <PackageReference Include="Fody" Version="6.8.0" PrivateAssets="all" />
+    <PackageReference Include="System.Collections.Immutable" Version="8.0.0" Condition="'$(TargetFramework)' != 'net8.0'" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" Condition="$(Configuration) == 'Release'" />
     <PackageReference Include="Polyfill" Version="2.0.1" PrivateAssets="all" />
     <PackageReference Include="ProjectDefaults" Version="1.0.108" PrivateAssets="all" />

diff --git a/src/DiffEngine/ResolvedTool.cs b/src/DiffEngine/ResolvedTool.cs
@@ -1,4 +1,6 @@
-namespace DiffEngine;
+using System.Collections.Frozen;
+
+namespace DiffEngine;
 
 public record ResolvedTool
 {
@@ -45,7 +47,7 @@ public ResolvedTool(
         LaunchArguments = launchArguments;
         IsMdi = isMdi;
         AutoRefresh = autoRefresh;
-        BinaryExtensions = binaryExtensions;
+        BinaryExtensions = binaryExtensions.ToFrozenSet();
         if (binaryExtensions.Any(_ => !_.StartsWith('.')))
         {
             throw new(
@@ -65,7 +67,7 @@ Extensions must begin with a period.
     public LaunchArguments LaunchArguments { get; init; }
     public bool IsMdi { get; init; }
     public bool AutoRefresh { get; init; }
-    public IReadOnlyCollection<string> BinaryExtensions { get; init; }
+    public FrozenSet<string> BinaryExtensions { get; init; }
     public bool RequiresTarget { get; init; }
     public bool SupportsText { get; init; }