Updated to .NET 8 (#33)

* Updated to .NET 8

* Updated GitHub Actions configuration to use .NET 8.0.x

Author: MrMatthewLayton

.github/workflows/dotnet.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 7.0.x
+        dotnet-version: 8.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build

OnixLabs.Core.UnitTests.Data/OnixLabs.Core.UnitTests.Data.csproj

@@ -1,11 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
 
         <IsPackable>false</IsPackable>
+
+        <LangVersion>12</LangVersion>
     </PropertyGroup>
 
     <ItemGroup>

OnixLabs.Core.UnitTests/OnixLabs.Core.UnitTests.csproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <IsPackable>false</IsPackable>
-        <LangVersion>11</LangVersion>
+        <LangVersion>12</LangVersion>
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2"/>

OnixLabs.Core/Collections/Collection.Empty.cs

@@ -16,6 +16,7 @@
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
+using System.Runtime.CompilerServices;
 
 namespace OnixLabs.Core.Collections;
 
@@ -29,6 +30,7 @@ public static partial class Collection
     /// </summary>
     /// <typeparam name="T">The underlying type of the enumerable.</typeparam>
     /// <returns>Returns an empty enumerable.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static IEnumerable<T> EmptyEnumerable<T>()
     {
         return Enumerable.Empty<T>();
@@ -39,6 +41,7 @@ public static IEnumerable<T> EmptyEnumerable<T>()
     /// </summary>
     /// <typeparam name="T">The underlying type of the array.</typeparam>
     /// <returns>Returns an empty array.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static T[] EmptyArray<T>()
     {
         return Array.Empty<T>();
@@ -49,6 +52,7 @@ public static T[] EmptyArray<T>()
     /// </summary>
     /// <typeparam name="T">The underlying type of the immutable array.</typeparam>
     /// <returns>Returns an empty immutable array.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static ImmutableArray<T> EmptyImmutableArray<T>()
     {
         return ImmutableArray<T>.Empty;
@@ -59,16 +63,18 @@ public static ImmutableArray<T> EmptyImmutableArray<T>()
     /// </summary>
     /// <typeparam name="T">The underlying type of the list.</typeparam>
     /// <returns>Returns an empty list.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static List<T> EmptyList<T>()
     {
-        return new List<T>();
+        return [];
     }
 
     /// <summary>
     /// Creates an empty immutable list.
     /// </summary>
     /// <typeparam name="T">The underlying type of the immutable list.</typeparam>
     /// <returns>Returns an empty immutable list.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static ImmutableList<T> EmptyImmutableList<T>()
     {
         return ImmutableList<T>.Empty;
@@ -80,9 +86,10 @@ public static ImmutableList<T> EmptyImmutableList<T>()
     /// <typeparam name="TKey">The underlying type of the dictionary key.</typeparam>
     /// <typeparam name="TValue">The underlying type of the dictionary value.</typeparam>
     /// <returns>Returns an empty dictionary.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static Dictionary<TKey, TValue> EmptyDictionary<TKey, TValue>() where TKey : notnull
     {
-        return new Dictionary<TKey, TValue>();
+        return [];
     }
 
     /// <summary>
@@ -91,6 +98,7 @@ public static Dictionary<TKey, TValue> EmptyDictionary<TKey, TValue>() where TKe
     /// <typeparam name="TKey">The underlying type of the immutable dictionary key.</typeparam>
     /// <typeparam name="TValue">The underlying type of the immutable dictionary value.</typeparam>
     /// <returns>Returns an empty immutable dictionary.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static ImmutableDictionary<TKey, TValue> EmptyImmutableDictionary<TKey, TValue>() where TKey : notnull
     {
         return ImmutableDictionary<TKey, TValue>.Empty;
@@ -102,9 +110,10 @@ public static ImmutableDictionary<TKey, TValue> EmptyImmutableDictionary<TKey, T
     /// <typeparam name="TKey">The underlying type of the sorted dictionary key.</typeparam>
     /// <typeparam name="TValue">The underlying type of the sorted dictionary value.</typeparam>
     /// <returns>Returns an empty sorted dictionary.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static SortedDictionary<TKey, TValue> EmptySortedDictionary<TKey, TValue>() where TKey : notnull
     {
-        return new SortedDictionary<TKey, TValue>();
+        return [];
     }
 
     /// <summary>
@@ -113,6 +122,7 @@ public static SortedDictionary<TKey, TValue> EmptySortedDictionary<TKey, TValue>
     /// <typeparam name="TKey">The underlying type of the immutable sorted dictionary key.</typeparam>
     /// <typeparam name="TValue">The underlying type of the immutable sorted dictionary value.</typeparam>
     /// <returns>Returns an empty immutable sorted dictionary.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static ImmutableSortedDictionary<TKey, TValue> EmptyImmutableSortedDictionary<TKey, TValue>() where TKey : notnull
     {
         return ImmutableSortedDictionary<TKey, TValue>.Empty;
@@ -123,16 +133,18 @@ public static ImmutableSortedDictionary<TKey, TValue> EmptyImmutableSortedDictio
     /// </summary>
     /// <typeparam name="T">The underlying type of the hash set.</typeparam>
     /// <returns>Returns an empty hash set.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static HashSet<T> EmptyHashSet<T>()
     {
-        return new HashSet<T>();
+        return [];
     }
 
     /// <summary>
     /// Creates an empty immutable hash set.
     /// </summary>
     /// <typeparam name="T">The underlying type of the immutable hash set.</typeparam>
     /// <returns>Returns an empty immutable hash set.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static ImmutableHashSet<T> EmptyImmutableHashSet<T>()
     {
         return ImmutableHashSet<T>.Empty;
@@ -143,16 +155,18 @@ public static ImmutableHashSet<T> EmptyImmutableHashSet<T>()
     /// </summary>
     /// <typeparam name="T">The underlying type of the sorted set.</typeparam>
     /// <returns>Returns an empty sorted set.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static SortedSet<T> EmptySortedSet<T>()
     {
-        return new SortedSet<T>();
+        return [];
     }
 
     /// <summary>
     /// Creates an empty immutable sorted set.
     /// </summary>
     /// <typeparam name="T">The underlying type of the immutable sorted set.</typeparam>
     /// <returns>Returns an empty immutable sorted set.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static ImmutableSortedSet<T> EmptyImmutableSortedSet<T>()
     {
         return ImmutableSortedSet<T>.Empty;
@@ -163,16 +177,18 @@ public static ImmutableSortedSet<T> EmptyImmutableSortedSet<T>()
     /// </summary>
     /// <typeparam name="T">The underlying type of the stack.</typeparam>
     /// <returns>Returns an empty stack.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static Stack<T> EmptyStack<T>()
     {
-        return new Stack<T>();
+        return [];
     }
 
     /// <summary>
     /// Creates an empty immutable stack.
     /// </summary>
     /// <typeparam name="T">The underlying type of the immutable stack.</typeparam>
     /// <returns>Returns an empty immutable stack.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static ImmutableStack<T> EmptyImmutableStack<T>()
     {
         return ImmutableStack<T>.Empty;
@@ -183,16 +199,18 @@ public static ImmutableStack<T> EmptyImmutableStack<T>()
     /// </summary>
     /// <typeparam name="T">The underlying type of the queue.</typeparam>
     /// <returns>Returns an empty queue.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static Queue<T> EmptyQueue<T>()
     {
-        return new Queue<T>();
+        return [];
     }
 
     /// <summary>
     /// Creates an empty immutable queue.
     /// </summary>
     /// <typeparam name="T">The underlying type of the immutable queue.</typeparam>
     /// <returns>Returns an empty immutable queue.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
     public static ImmutableQueue<T> EmptyImmutableQueue<T>()
     {
         return ImmutableQueue<T>.Empty;