Implementation of IComparable on the key member can be explicit.

Author: PawelGerr

Directory.Build.props

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Copyright>(c) $([System.DateTime]::Now.Year), Pawel Gerr. All rights reserved.</Copyright>
-    <VersionPrefix>9.5.0</VersionPrefix>
+    <VersionPrefix>9.5.1</VersionPrefix>
     <Authors>Pawel Gerr</Authors>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageProjectUrl>https://github.com/PawelGerr/Thinktecture.Runtime.Extensions</PackageProjectUrl>

src/Thinktecture.Runtime.Extensions.SourceGenerator/CodeAnalysis/ComparableCodeGenerator.cs

@@ -35,7 +35,7 @@ public int CompareTo(object? obj)
       if(obj is not ").AppendTypeFullyQualified(state.Type).Append(@" item)
          throw new global::System.ArgumentException(""Argument must be of type \""").AppendTypeMinimallyQualified(state.Type).Append(@"\""."", nameof(obj));
 
-      return this.CompareTo(item);
+      return ((global::System.IComparable)this).CompareTo(item);
    }
 
    /// <inheritdoc />
@@ -63,7 +63,7 @@ public int CompareTo(").AppendTypeFullyQualifiedNullAnnotated(state.Type).Append
       else
       {
          sb.Append(@"
-      return this.").Append(state.KeyMember.Name).Append(".CompareTo(obj.").Append(state.KeyMember.Name).Append(");");
+      return ((global::System.IComparable<").AppendTypeFullyQualified(state.KeyMember).Append(">)this.").Append(state.KeyMember.Name).Append(").CompareTo(obj.").Append(state.KeyMember.Name).Append(");");
       }
 
       sb.Append(@"

test/Thinktecture.Runtime.Extensions.SourceGenerator.Tests/SourceGeneratorTests/SmartEnumSourceGeneratorTests.Should_change_conversion_from_key_Explicit1.verified.txt

@@ -16,7 +16,7 @@ partial class TestEnum :
       if(obj is not global::Thinktecture.Tests.TestEnum item)
          throw new global::System.ArgumentException("Argument must be of type \"TestEnum\".", nameof(obj));
 
-      return this.CompareTo(item);
+      return ((global::System.IComparable)this).CompareTo(item);
    }
 
    /// <inheritdoc />

test/Thinktecture.Runtime.Extensions.SourceGenerator.Tests/SourceGeneratorTests/SmartEnumSourceGeneratorTests.Should_change_conversion_from_key_Implicit1.verified.txt

@@ -16,7 +16,7 @@ partial class TestEnum :
       if(obj is not global::Thinktecture.Tests.TestEnum item)
          throw new global::System.ArgumentException("Argument must be of type \"TestEnum\".", nameof(obj));
 
-      return this.CompareTo(item);
+      return ((global::System.IComparable)this).CompareTo(item);
    }
 
    /// <inheritdoc />

test/Thinktecture.Runtime.Extensions.SourceGenerator.Tests/SourceGeneratorTests/SmartEnumSourceGeneratorTests.Should_change_conversion_from_key_None1.verified.txt

@@ -16,7 +16,7 @@ partial class TestEnum :
       if(obj is not global::Thinktecture.Tests.TestEnum item)
          throw new global::System.ArgumentException("Argument must be of type \"TestEnum\".", nameof(obj));
 
-      return this.CompareTo(item);
+      return ((global::System.IComparable)this).CompareTo(item);
    }
 
    /// <inheritdoc />

test/Thinktecture.Runtime.Extensions.SourceGenerator.Tests/SourceGeneratorTests/SmartEnumSourceGeneratorTests.Should_change_conversion_to_key_Explicit1.verified.txt

@@ -16,7 +16,7 @@ partial class TestEnum :
       if(obj is not global::Thinktecture.Tests.TestEnum item)
          throw new global::System.ArgumentException("Argument must be of type \"TestEnum\".", nameof(obj));
 
-      return this.CompareTo(item);
+      return ((global::System.IComparable)this).CompareTo(item);
    }
 
    /// <inheritdoc />

test/Thinktecture.Runtime.Extensions.SourceGenerator.Tests/SourceGeneratorTests/SmartEnumSourceGeneratorTests.Should_change_conversion_to_key_Implicit1.verified.txt

@@ -16,7 +16,7 @@ partial class TestEnum :
       if(obj is not global::Thinktecture.Tests.TestEnum item)
          throw new global::System.ArgumentException("Argument must be of type \"TestEnum\".", nameof(obj));
 
-      return this.CompareTo(item);
+      return ((global::System.IComparable)this).CompareTo(item);
    }
 
    /// <inheritdoc />

test/Thinktecture.Runtime.Extensions.SourceGenerator.Tests/SourceGeneratorTests/SmartEnumSourceGeneratorTests.Should_change_conversion_to_key_None1.verified.txt

@@ -16,7 +16,7 @@ partial class TestEnum :
       if(obj is not global::Thinktecture.Tests.TestEnum item)
          throw new global::System.ArgumentException("Argument must be of type \"TestEnum\".", nameof(obj));
 
-      return this.CompareTo(item);
+      return ((global::System.IComparable)this).CompareTo(item);
    }
 
    /// <inheritdoc />

test/Thinktecture.Runtime.Extensions.SourceGenerator.Tests/SourceGeneratorTests/SmartEnumSourceGeneratorTests.Should_generate_class_with_abstract_property_1.verified.txt

@@ -16,7 +16,7 @@ partial class TestEnum :
       if(obj is not global::Thinktecture.Tests.TestEnum item)
          throw new global::System.ArgumentException("Argument must be of type \"TestEnum\".", nameof(obj));
 
-      return this.CompareTo(item);
+      return ((global::System.IComparable)this).CompareTo(item);
    }
 
    /// <inheritdoc />

test/Thinktecture.Runtime.Extensions.SourceGenerator.Tests/SourceGeneratorTests/SmartEnumSourceGeneratorTests.Should_generate_custom_delegate_with_in_parameter_1.verified.txt

@@ -16,7 +16,7 @@ partial class TestEnum :
       if(obj is not global::Thinktecture.Tests.TestEnum item)
          throw new global::System.ArgumentException("Argument must be of type \"TestEnum\".", nameof(obj));
 
-      return this.CompareTo(item);
+      return ((global::System.IComparable)this).CompareTo(item);
    }
 
    /// <inheritdoc />