Annotate is native aot compatible

CodeGen/Generators/UnitsNetGen/QuantityGenerator.cs

@@ -40,6 +40,7 @@ public string Generate()
 using System.Globalization;
 using System.Linq;
 using System.Runtime.Serialization;
+using UnitsNet.InternalHelpers;
 using UnitsNet.Units;
 #if NET
 using System.Numerics;
@@ -154,7 +155,7 @@ private void GenerateStaticConstructor()
 
             Writer.WL($@"
             BaseUnit = {_unitEnumName}.{_quantity.BaseUnit};
-            Units = Enum.GetValues(typeof({_unitEnumName})).Cast<{_unitEnumName}>().ToArray();
+            Units = EnumHelpers.GetValues<{_unitEnumName}>();
             Zero = new {_quantity.Name}(0, BaseUnit);
             Info = new QuantityInfo<{_unitEnumName}>(""{_quantity.Name}"",
                 new UnitInfo<{_unitEnumName}>[]
@@ -305,7 +306,7 @@ private void GenerateProperties()
 
         [DebuggerBrowsable(DebuggerBrowsableState.Never)]
         Enum IQuantity.Unit => Unit;
-        
+
         [DebuggerBrowsable(DebuggerBrowsableState.Never)]
         UnitKey IQuantity.UnitKey => UnitKey.ForUnit(Unit);
 
@@ -1195,7 +1196,7 @@ public string ToString(string? format, IFormatProvider? provider)
         #endregion
 " );
         }
-        
+
         /// <inheritdoc cref="GetObsoleteAttributeOrNull(string)"/>
         private static string? GetObsoleteAttributeOrNull(Quantity quantity) => GetObsoleteAttributeOrNull(quantity.ObsoleteText);
 

CodeGen/Generators/UnitsNetGen/StaticQuantityGenerator.cs

@@ -123,11 +123,14 @@ public static bool TryParse(IFormatProvider? formatProvider, Type quantityType,
             };
         }
 
-        internal static IEnumerable<Type> GetQuantityTypes()
+        internal static void RegisterDefaultConversions(UnitConverter unitConverter)
         {");
             foreach (var quantity in _quantities)
+            {
                 Writer.WL($@"
-            yield return typeof({quantity.Name});");
+            {quantity.Name}.RegisterDefaultConversions(unitConverter);");
+            }
+
             Writer.WL(@"
         }
     }

CodeGen/Generators/UnitsNetGen/UnitTestBaseClassGenerator.cs

@@ -50,7 +50,7 @@ internal class UnitTestBaseClassGenerator : GeneratorBase
         /// Example: "LengthUnit.Centimeter".
         /// </summary>
         private readonly string _otherOrBaseUnitFullName;
-        
+
         /// <summary>
         /// Indicates whether the quantity is dimensionless.
         /// </summary>
@@ -178,6 +178,7 @@ public string Generate()
 using System.Globalization;
 using System.Linq;
 using System.Threading;
+using UnitsNet.InternalHelpers;
 using UnitsNet.Tests.Helpers;
 using UnitsNet.Tests.TestsBase;
 using UnitsNet.Units;
@@ -374,7 +375,7 @@ public void As_UnitSystem_ReturnsValueInDimensionlessUnit()
             var quantity = new {_quantity.Name}(value: 1, unit: {_baseUnitFullName});
 
             var convertedValue = quantity.As(UnitSystem.SI);
-            
+
             Assert.Equal(quantity.Value, convertedValue);
         }}
 
@@ -420,7 +421,7 @@ public void ToUnitSystem_ReturnsValueInDimensionlessUnit()
         public void ToUnit_UnitSystem_ThrowsArgumentNullExceptionIfNull()
         {{
             UnitSystem nullUnitSystem = null!;
-            Assert.Multiple(() => 
+            Assert.Multiple(() =>
             {{
                 var quantity = new {_quantity.Name}(value: 1, unit: {_quantity.Name}.BaseUnit);
                 Assert.Throws<ArgumentNullException>(() => quantity.ToUnit(nullUnitSystem));
@@ -496,23 +497,23 @@ public virtual void ToUnit_UnitSystem_SI_ReturnsQuantityInSIUnits()
                 IQuantity<{_unitEnumName}> convertedQuantity = quantityToConvert.ToUnit(UnitSystem.SI);
 
                 Assert.Equal(expectedUnit, convertedQuantity.Unit);
-                Assert.Equal(expectedValue, convertedQuantity.Value);            
+                Assert.Equal(expectedValue, convertedQuantity.Value);
             }}, () =>
             {{
                 IQuantity quantityToConvert = quantity;
 
                 IQuantity convertedQuantity = quantityToConvert.ToUnit(UnitSystem.SI);
 
                 Assert.Equal(expectedUnit, convertedQuantity.Unit);
-                Assert.Equal(expectedValue, convertedQuantity.Value);            
+                Assert.Equal(expectedValue, convertedQuantity.Value);
             }});
         }}
 
         [Fact]
         public void ToUnit_UnitSystem_ThrowsArgumentNullExceptionIfNull()
         {{
             UnitSystem nullUnitSystem = null!;
-            Assert.Multiple(() => 
+            Assert.Multiple(() =>
             {{
                 var quantity = new {_quantity.Name}(value: 1, unit: {_quantity.Name}.BaseUnit);
                 Assert.Throws<ArgumentNullException>(() => quantity.ToUnit(nullUnitSystem));
@@ -1011,7 +1012,7 @@ public void EqualsReturnsFalseOnNull()
         [Fact]
         public void HasAtLeastOneAbbreviationSpecified()
         {{
-            var units = Enum.GetValues(typeof({_unitEnumName})).Cast<{_unitEnumName}>();
+            var units = EnumHelpers.GetValues<{_unitEnumName}>();
             foreach (var unit in units)
             {{
                 var defaultAbbreviation = UnitsNetSetup.Default.UnitAbbreviations.GetDefaultAbbreviation(unit);

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

@@ -23,6 +23,7 @@
     <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

@@ -25,6 +25,7 @@
     <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 ([email protected]). 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 ([email protected]). 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>