✨Set IsAotCompatible for net7.0 or later

CodeGen/Generators/UnitsNetGen/StaticQuantityGenerator.cs

@@ -40,6 +40,17 @@ internal static class DefaultProvider
             {quantity.Name}.Info,");
             Writer.WL(@"
         ];
+
+        internal static void RegisterUnitConversions(UnitConverter unitConverter)
+        {");
+            foreach (Quantity quantity in _quantities)
+            {
+                Writer.WL($@"
+            {quantity.Name}.RegisterDefaultConversions(unitConverter);");
+            }
+
+            Writer.WL(@"
+        }
     }
 }");
             return Writer.ToString();

PerfTests/PerfTest_Startup_Aot/PerfTest_Startup_Aot.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <RootNamespace>perftest</RootNamespace>
+
+        <PublishAot>true</PublishAot>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\..\UnitsNet\UnitsNet.csproj" />
+    </ItemGroup>
+
+</Project>

PerfTests/PerfTest_Startup_Aot/Program.cs

@@ -0,0 +1,4 @@
+using UnitsNet;
+using UnitsNet.Units;
+
+Console.WriteLine(Power.From(5, PowerUnit.Watt));

PerfTests/PerfTest_Startup_Aot/profile.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# shellcheck disable=SC2155
+declare -r dirname=$(dirname -- "$0")
+
+pushd "$dirname" || exit
+dotnet publish
+dotnet timeit "$dirname/timeit.json"
+popd || exit

PerfTests/PerfTest_Startup_Aot/timeit.json

@@ -0,0 +1,8 @@
+{
+  "warmUpCount": 10,
+  "count": 20,
+  "scenarios": [{ "name": "Default" }],
+  "processName": "../../Artifacts/PerfTest_Startup_Aot/net9.0/win-x64/publish/PerfTest_Startup_Aot.exe",
+  "workingDirectory": "$(CWD)/",
+  "processTimeout": 15
+}

UnitsNet.NumberExtensions/UnitsNet.NumberExtensions.csproj

@@ -27,6 +27,7 @@
     <Nullable>enable</Nullable>
     <RootNamespace>UnitsNet</RootNamespace>
     <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
+    <IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">true</IsAotCompatible>
   </PropertyGroup>
 
   <ItemGroup>

UnitsNet.Serialization.JsonNet/UnitsNet.Serialization.JsonNet.csproj

@@ -28,6 +28,7 @@
     <Nullable>enable</Nullable>
     <RootNamespace>UnitsNet.Serialization.JsonNet</RootNamespace>
     <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
+    <IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">true</IsAotCompatible>
   </PropertyGroup>
 
   <!-- Strong name signing -->

UnitsNet.Serialization.JsonNet/UnitsNetBaseJsonConverter.cs

@@ -3,7 +3,7 @@
 
 using System;
 using System.Collections.Concurrent;
-using System.Globalization;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
@@ -15,6 +15,10 @@ namespace UnitsNet.Serialization.JsonNet
     /// Contains shared functionality used by <see cref="UnitsNetIQuantityJsonConverter"/> and <see cref="UnitsNetIComparableJsonConverter"/>
     /// </summary>
     /// <typeparam name="T">The type being converted. Should either be <see cref="IQuantity"/> or <see cref="IComparable"/></typeparam>
+#if NET
+    [RequiresDynamicCode("The native code for this instantiation might not be available at runtime.")]
+    [RequiresUnreferencedCode("If some of the generic arguments are annotated (either with DynamicallyAccessedMembersAttribute, or generic constraints), trimming can't validate that the requirements of those annotations are met.")]
+#endif
     public abstract class UnitsNetBaseJsonConverter<T> : NullableQuantityConverter<T>
     {
         private readonly ConcurrentDictionary<string, (Type Quantity, Type Unit)> _registeredTypes = new();

UnitsNet.Serialization.JsonNet/UnitsNetIComparableJsonConverter.cs

@@ -2,6 +2,7 @@
 // Copyright 2013 Andreas Gullberg Larsen (andreas.larsen84@gmail.com). Maintained at https://github.com/angularsen/UnitsNet.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 
@@ -15,6 +16,10 @@ namespace UnitsNet.Serialization.JsonNet
     /// Should only be used when UnitsNet types are assigned to properties of type IComparable.
     /// Requires TypeNameHandling on <see cref="JsonSerializerSettings"/> to be set to something other than <see cref="TypeNameHandling.None"/> so that it outputs $type when serializing.
     /// </summary>
+#if NET
+    [RequiresDynamicCode("The native code for this instantiation might not be available at runtime.")]
+    [RequiresUnreferencedCode("If some of the generic arguments are annotated (either with DynamicallyAccessedMembersAttribute, or generic constraints), trimming can't validate that the requirements of those annotations are met.")]
+#endif
     public sealed class UnitsNetIComparableJsonConverter : UnitsNetBaseJsonConverter<IComparable?>
     {
         /// <summary>

UnitsNet.Serialization.JsonNet/UnitsNetIQuantityJsonConverter.cs

@@ -2,6 +2,7 @@
 // Copyright 2013 Andreas Gullberg Larsen (andreas.larsen84@gmail.com). Maintained at https://github.com/angularsen/UnitsNet.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 
@@ -12,6 +13,10 @@ namespace UnitsNet.Serialization.JsonNet
     /// JSON.net converter for IQuantity types (e.g. all units in UnitsNet)
     /// Use this converter to serialize and deserialize UnitsNet types to and from JSON
     /// </summary>
+#if NET
+    [RequiresDynamicCode("The native code for this instantiation might not be available at runtime.")]
+    [RequiresUnreferencedCode("If some of the generic arguments are annotated (either with DynamicallyAccessedMembersAttribute, or generic constraints), trimming can't validate that the requirements of those annotations are met.")]
+#endif
     public sealed class UnitsNetIQuantityJsonConverter : UnitsNetBaseJsonConverter<IQuantity?>
     {
         /// <summary>

UnitsNet.sln

@@ -70,6 +70,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "PerfTests", "PerfTests", "{
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PerfTest_Startup_v4_72_0", "PerfTests\PerfTest_Startup_v4_72_0\PerfTest_Startup_v4_72_0.csproj", "{7131F7CC-BD7F-44EB-AD50-AE80CE38F28E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PerfTest_Startup_Aot", "PerfTests\PerfTest_Startup_Aot\PerfTest_Startup_Aot.csproj", "{0222DB9C-52B5-4766-A068-617A44B7E3EB}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -120,6 +122,10 @@ Global
 		{7131F7CC-BD7F-44EB-AD50-AE80CE38F28E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7131F7CC-BD7F-44EB-AD50-AE80CE38F28E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7131F7CC-BD7F-44EB-AD50-AE80CE38F28E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0222DB9C-52B5-4766-A068-617A44B7E3EB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0222DB9C-52B5-4766-A068-617A44B7E3EB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0222DB9C-52B5-4766-A068-617A44B7E3EB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0222DB9C-52B5-4766-A068-617A44B7E3EB}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -132,5 +138,6 @@ Global
 		{BFF3DD22-0F58-4E79-86CD-662D1A174224} = {126F0393-A678-4609-9341-7028F1B2BC2B}
 		{2E68C361-F6FA-49DC-BB0E-85ADE776391E} = {126F0393-A678-4609-9341-7028F1B2BC2B}
 		{7131F7CC-BD7F-44EB-AD50-AE80CE38F28E} = {126F0393-A678-4609-9341-7028F1B2BC2B}
+		{0222DB9C-52B5-4766-A068-617A44B7E3EB} = {126F0393-A678-4609-9341-7028F1B2BC2B}
 	EndGlobalSection
 EndGlobal

UnitsNet/CustomCode/Wrappers/ReferencePressure.cs

@@ -2,8 +2,8 @@
 // Copyright 2013 Andreas Gullberg Larsen (andreas.larsen84@gmail.com). Maintained at https://github.com/angularsen/UnitsNet.
 
 using System;
-using System.Linq;
 using UnitsNet.CustomCode.Units;
+using UnitsNet.InternalHelpers;
 using UnitsNet.Units;
 
 namespace UnitsNet.Wrappers
@@ -35,8 +35,7 @@ public struct ReferencePressure
         ///     Gets a list of <see cref="PressureReference" /> options: <see cref="PressureReference.Gauge" />,
         ///     <see cref="PressureReference.Absolute" />, and <see cref="PressureReference.Vacuum" />
         /// </summary>
-        public static PressureReference[] References { get; } =
-            Enum.GetValues(typeof(PressureReference)).Cast<PressureReference>().ToArray();
+        public static PressureReference[] References { get; } = EnumHelper.GetValues<PressureReference>();
 
         /// <summary>
         ///     Initializes a new instance of the <see cref="ReferencePressure" /> struct requiring measured

UnitsNet/InternalHelpers/EnumHelper.cs

@@ -0,0 +1,26 @@
+// Licensed under MIT No Attribution, see LICENSE file at the root.
+// Copyright 2013 Andreas Gullberg Larsen (andreas.larsen84@gmail.com). Maintained at https://github.com/angularsen/UnitsNet.
+
+#if !NET7_0_OR_GREATER
+using System.Linq;
+#endif
+
+namespace UnitsNet.InternalHelpers;
+
+/// <summary>
+///     Helper methods for working with <see cref="Enum"/> types.
+/// </summary>
+internal static class EnumHelper
+{
+    /// <summary>Retrieves an array of the values of the constants in a specified enumeration type.</summary>
+    /// <typeparam name="TEnum">The type of the enumeration.</typeparam>
+    /// <returns>An array that contains the values of the constants in <typeparamref name="TEnum"/>.</returns>
+    public static TEnum[] GetValues<TEnum>() where TEnum : struct, Enum
+    {
+#if NET7_0_OR_GREATER
+        return Enum.GetValues<TEnum>();
+#else
+        return Enum.GetValues(typeof(TEnum)).Cast<TEnum>().ToArray();
+#endif
+    }
+}

UnitsNet/QuantityTypeConverter.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.ComponentModel;
+using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 
 namespace UnitsNet
@@ -138,7 +139,12 @@ public override bool CanConvertFrom(ITypeDescriptorContext? context, Type source
             return (sourceType == typeof(string)) || base.CanConvertFrom(context, sourceType);
         }
 
-        private static TAttribute? GetAttribute<TAttribute>(ITypeDescriptorContext? context) where TAttribute : UnitAttributeBase
+        private static TAttribute? GetAttribute<
+#if NET
+            [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)]
+#endif
+            TAttribute
+        >(ITypeDescriptorContext? context) where TAttribute : UnitAttributeBase
         {
             if (context?.PropertyDescriptor is null) return null;