Enable Nullable Reference Type annotations

tannergooding · tannergooding · commit adc3c95b123d · 2022-09-28T22:41:04.000-07:00
diff --git a/Directory.Build.props b/Directory.Build.props
@@ -25,7 +25,7 @@
     <DebugType>embedded</DebugType>
     <EnableDefaultNoneItems>false</EnableDefaultNoneItems>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-    <Nullable>disable</Nullable>
+    <Nullable>enable</Nullable>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
     <SignAssembly>true</SignAssembly>
     <SuppressNETCoreSdkPreviewMessage>true</SuppressNETCoreSdkPreviewMessage>
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVM.ResolveLibrary.cs b/sources/LLVMSharp.Interop/Extensions/LLVM.ResolveLibrary.cs
@@ -9,7 +9,7 @@ namespace LLVMSharp.Interop;
 
 public static unsafe partial class LLVM
 {
-    public static event DllImportResolver ResolveLibrary;
+    public static event DllImportResolver? ResolveLibrary;
 
     static LLVM()
     {
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMAttributeRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMAttributeRef.cs
@@ -21,7 +21,7 @@ public LLVMAttributeRef(IntPtr handle)
 
     public static bool operator !=(LLVMAttributeRef left, LLVMAttributeRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMAttributeRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMAttributeRef other) && Equals(other);
 
     public bool Equals(LLVMAttributeRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMBasicBlockRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMBasicBlockRef.cs
@@ -67,7 +67,7 @@ public static LLVMBasicBlockRef InsertInContext(LLVMContextRef C, LLVMBasicBlock
 
     public void Dump() => LLVM.DumpValue(this);
 
-    public override bool Equals(object obj) => (obj is LLVMBasicBlockRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMBasicBlockRef other) && Equals(other);
 
     public bool Equals(LLVMBasicBlockRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMBinaryRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMBinaryRef.cs
@@ -21,7 +21,7 @@ public LLVMBinaryRef(IntPtr handle)
 
     public static bool operator !=(LLVMBinaryRef left, LLVMBinaryRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMBinaryRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMBinaryRef other) && Equals(other);
 
     public bool Equals(LLVMBinaryRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMBuilderRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMBuilderRef.cs
@@ -808,7 +808,7 @@ public void Dispose()
         }
     }
 
-    public override bool Equals(object obj) => (obj is LLVMBuilderRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMBuilderRef other) && Equals(other);
 
     public bool Equals(LLVMBuilderRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMComdatRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMComdatRef.cs
@@ -21,7 +21,7 @@ public LLVMComdatRef(IntPtr handle)
 
     public static bool operator !=(LLVMComdatRef left, LLVMComdatRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMComdatRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMComdatRef other) && Equals(other);
 
     public bool Equals(LLVMComdatRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMContextRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMContextRef.cs
@@ -95,7 +95,7 @@ public void Dispose()
         }
     }
 
-    public override bool Equals(object obj) => (obj is LLVMContextRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMContextRef other) && Equals(other);
 
     public bool Equals(LLVMContextRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMDIBuilderRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMDIBuilderRef.cs
@@ -113,7 +113,7 @@ public LLVMMetadataRef CreateTypedef(LLVMMetadataRef Type, ReadOnlySpan<char> Na
 
     public void DIBuilderFinalize() => LLVM.DIBuilderFinalize(this);
 
-    public override bool Equals(object obj) => (obj is LLVMDIBuilderRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMDIBuilderRef other) && Equals(other);
 
     public bool Equals(LLVMDIBuilderRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMDiagnosticInfoRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMDiagnosticInfoRef.cs
@@ -21,7 +21,7 @@ public LLVMDiagnosticInfoRef(IntPtr handle)
 
     public static bool operator !=(LLVMDiagnosticInfoRef left, LLVMDiagnosticInfoRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMDiagnosticInfoRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMDiagnosticInfoRef other) && Equals(other);
 
     public bool Equals(LLVMDiagnosticInfoRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMDisasmContextRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMDisasmContextRef.cs
@@ -21,7 +21,7 @@ public LLVMDisasmContextRef(IntPtr handle)
 
     public static bool operator !=(LLVMDisasmContextRef left, LLVMDisasmContextRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMDisasmContextRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMDisasmContextRef other) && Equals(other);
 
     public bool Equals(LLVMDisasmContextRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMErrorRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMErrorRef.cs
@@ -21,7 +21,7 @@ public LLVMErrorRef(IntPtr handle)
 
     public static bool operator !=(LLVMErrorRef left, LLVMErrorRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMErrorRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMErrorRef other) && Equals(other);
 
     public bool Equals(LLVMErrorRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMErrorTypeId.cs b/sources/LLVMSharp.Interop/Extensions/LLVMErrorTypeId.cs
@@ -21,7 +21,7 @@ public LLVMErrorTypeId(IntPtr handle)
 
     public static bool operator !=(LLVMErrorTypeId left, LLVMErrorTypeId right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMErrorTypeId other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMErrorTypeId other) && Equals(other);
 
     public bool Equals(LLVMErrorTypeId other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMExecutionEngineRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMExecutionEngineRef.cs
@@ -39,7 +39,7 @@ public void Dispose()
         }
     }
 
-    public override bool Equals(object obj) => (obj is LLVMExecutionEngineRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMExecutionEngineRef other) && Equals(other);
 
     public bool Equals(LLVMExecutionEngineRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMGenericValueRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMGenericValueRef.cs
@@ -25,7 +25,7 @@ public LLVMGenericValueRef(IntPtr handle)
 
     public LLVMGenericValueRef CreateFloat(LLVMTypeRef Ty, double N) => LLVM.CreateGenericValueOfFloat(Ty, N);
 
-    public override bool Equals(object obj) => (obj is LLVMGenericValueRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMGenericValueRef other) && Equals(other);
 
     public bool Equals(LLVMGenericValueRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMJITEventListenerRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMJITEventListenerRef.cs
@@ -21,7 +21,7 @@ public LLVMJITEventListenerRef(IntPtr handle)
 
     public static bool operator !=(LLVMJITEventListenerRef left, LLVMJITEventListenerRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMJITEventListenerRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMJITEventListenerRef other) && Equals(other);
 
     public bool Equals(LLVMJITEventListenerRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMMCJITMemoryManagerRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMMCJITMemoryManagerRef.cs
@@ -21,7 +21,7 @@ public LLVMMCJITMemoryManagerRef(IntPtr handle)
 
     public static bool operator !=(LLVMMCJITMemoryManagerRef left, LLVMMCJITMemoryManagerRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMMCJITMemoryManagerRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMMCJITMemoryManagerRef other) && Equals(other);
 
     public bool Equals(LLVMMCJITMemoryManagerRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMMemoryBufferRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMMemoryBufferRef.cs
@@ -21,7 +21,7 @@ public LLVMMemoryBufferRef(IntPtr handle)
 
     public static bool operator !=(LLVMMemoryBufferRef left, LLVMMemoryBufferRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMMemoryBufferRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMMemoryBufferRef other) && Equals(other);
 
     public bool Equals(LLVMMemoryBufferRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMMetadataRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMMetadataRef.cs
@@ -21,7 +21,7 @@ public LLVMMetadataRef(IntPtr handle)
 
     public static bool operator !=(LLVMMetadataRef left, LLVMMetadataRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMMetadataRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMMetadataRef other) && Equals(other);
 
     public bool Equals(LLVMMetadataRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMModuleFlagEntry.cs b/sources/LLVMSharp.Interop/Extensions/LLVMModuleFlagEntry.cs
@@ -21,7 +21,7 @@ public LLVMModuleFlagEntry(IntPtr handle)
 
     public static bool operator !=(LLVMModuleFlagEntry left, LLVMModuleFlagEntry right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMModuleFlagEntry other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMModuleFlagEntry other) && Equals(other);
 
     public bool Equals(LLVMModuleFlagEntry other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMModuleProviderRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMModuleProviderRef.cs
@@ -23,7 +23,7 @@ public LLVMModuleProviderRef(IntPtr handle)
 
     public LLVMPassManagerRef CreateFunctionPassManager() => LLVM.CreateFunctionPassManager(this);
 
-    public override bool Equals(object obj) => (obj is LLVMModuleProviderRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMModuleProviderRef other) && Equals(other);
 
     public bool Equals(LLVMModuleProviderRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMModuleRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMModuleRef.cs
@@ -235,7 +235,7 @@ public void Dispose()
 
     public void Dump() => LLVM.DumpModule(this);
 
-    public override bool Equals(object obj) => (obj is LLVMModuleRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMModuleRef other) && Equals(other);
 
     public bool Equals(LLVMModuleRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMNamedMDNodeRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMNamedMDNodeRef.cs
@@ -21,7 +21,7 @@ public LLVMNamedMDNodeRef(IntPtr handle)
 
     public static bool operator !=(LLVMNamedMDNodeRef left, LLVMNamedMDNodeRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMNamedMDNodeRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMNamedMDNodeRef other) && Equals(other);
 
     public bool Equals(LLVMNamedMDNodeRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMObjectFileRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMObjectFileRef.cs
@@ -21,7 +21,7 @@ public LLVMObjectFileRef(IntPtr handle)
 
     public static bool operator !=(LLVMObjectFileRef left, LLVMObjectFileRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMObjectFileRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMObjectFileRef other) && Equals(other);
 
     public bool Equals(LLVMObjectFileRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMPassManagerBuilderRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMPassManagerBuilderRef.cs
@@ -30,7 +30,7 @@ public void Dispose()
         }
     }
 
-    public override bool Equals(object obj) => (obj is LLVMPassManagerBuilderRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMPassManagerBuilderRef other) && Equals(other);
 
     public bool Equals(LLVMPassManagerBuilderRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMPassManagerRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMPassManagerRef.cs
@@ -144,7 +144,7 @@ public void Dispose()
         }
     }
 
-    public override bool Equals(object obj) => (obj is LLVMPassManagerRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMPassManagerRef other) && Equals(other);
 
     public bool Equals(LLVMPassManagerRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMPassRegistryRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMPassRegistryRef.cs
@@ -21,7 +21,7 @@ public LLVMPassRegistryRef(IntPtr handle)
 
     public static bool operator !=(LLVMPassRegistryRef left, LLVMPassRegistryRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMPassRegistryRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMPassRegistryRef other) && Equals(other);
 
     public bool Equals(LLVMPassRegistryRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMRelocationIteratorRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMRelocationIteratorRef.cs
@@ -21,7 +21,7 @@ public LLVMRelocationIteratorRef(IntPtr handle)
 
     public static bool operator !=(LLVMRelocationIteratorRef left, LLVMRelocationIteratorRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMRelocationIteratorRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMRelocationIteratorRef other) && Equals(other);
 
     public bool Equals(LLVMRelocationIteratorRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMRemarkArgRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMRemarkArgRef.cs
@@ -21,7 +21,7 @@ public LLVMRemarkArgRef(IntPtr handle)
 
     public static bool operator !=(LLVMRemarkArgRef left, LLVMRemarkArgRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMRemarkArgRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMRemarkArgRef other) && Equals(other);
 
     public bool Equals(LLVMRemarkArgRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMRemarkDebugLocRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMRemarkDebugLocRef.cs
@@ -21,7 +21,7 @@ public LLVMRemarkDebugLocRef(IntPtr handle)
 
     public static bool operator !=(LLVMRemarkDebugLocRef left, LLVMRemarkDebugLocRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMRemarkDebugLocRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMRemarkDebugLocRef other) && Equals(other);
 
     public bool Equals(LLVMRemarkDebugLocRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMRemarkEntryRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMRemarkEntryRef.cs
@@ -21,7 +21,7 @@ public LLVMRemarkEntryRef(IntPtr handle)
 
     public static bool operator !=(LLVMRemarkEntryRef left, LLVMRemarkEntryRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMRemarkEntryRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMRemarkEntryRef other) && Equals(other);
 
     public bool Equals(LLVMRemarkEntryRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMRemarkParserRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMRemarkParserRef.cs
@@ -21,7 +21,7 @@ public LLVMRemarkParserRef(IntPtr handle)
 
     public static bool operator !=(LLVMRemarkParserRef left, LLVMRemarkParserRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMRemarkParserRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMRemarkParserRef other) && Equals(other);
 
     public bool Equals(LLVMRemarkParserRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMRemarkStringRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMRemarkStringRef.cs
@@ -21,7 +21,7 @@ public LLVMRemarkStringRef(IntPtr handle)
 
     public static bool operator !=(LLVMRemarkStringRef left, LLVMRemarkStringRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMRemarkStringRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMRemarkStringRef other) && Equals(other);
 
     public bool Equals(LLVMRemarkStringRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMSectionIteratorRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMSectionIteratorRef.cs
@@ -21,7 +21,7 @@ public LLVMSectionIteratorRef(IntPtr handle)
 
     public static bool operator !=(LLVMSectionIteratorRef left, LLVMSectionIteratorRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMSectionIteratorRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMSectionIteratorRef other) && Equals(other);
 
     public bool Equals(LLVMSectionIteratorRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMSymbolIteratorRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMSymbolIteratorRef.cs
@@ -21,7 +21,7 @@ public LLVMSymbolIteratorRef(IntPtr handle)
 
     public static bool operator !=(LLVMSymbolIteratorRef left, LLVMSymbolIteratorRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMSymbolIteratorRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMSymbolIteratorRef other) && Equals(other);
 
     public bool Equals(LLVMSymbolIteratorRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMTargetDataRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMTargetDataRef.cs
@@ -23,7 +23,7 @@ public LLVMTargetDataRef(IntPtr handle)
 
     public static LLVMTargetDataRef FromStringRepresentation(ReadOnlySpan<char> stringRep) => LLVM.CreateTargetData(new MarshaledString(stringRep));
 
-    public override bool Equals(object obj) => (obj is LLVMTargetDataRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMTargetDataRef other) && Equals(other);
 
     public bool Equals(LLVMTargetDataRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMTargetLibraryInfoRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMTargetLibraryInfoRef.cs
@@ -21,7 +21,7 @@ public LLVMTargetLibraryInfoRef(IntPtr handle)
 
     public static bool operator !=(LLVMTargetLibraryInfoRef left, LLVMTargetLibraryInfoRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMTargetLibraryInfoRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMTargetLibraryInfoRef other) && Equals(other);
 
     public bool Equals(LLVMTargetLibraryInfoRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMTargetMachineRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMTargetMachineRef.cs
@@ -34,7 +34,7 @@ public void EmitToFile(LLVMModuleRef module, ReadOnlySpan<char> fileName, LLVMCo
         }
     }
 
-    public override bool Equals(object obj) => (obj is LLVMTargetMachineRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMTargetMachineRef other) && Equals(other);
 
     public bool Equals(LLVMTargetMachineRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMTargetRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMTargetRef.cs
@@ -111,7 +111,7 @@ public string Name
 
     public static bool operator !=(LLVMTargetRef left, LLVMTargetRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMTargetRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMTargetRef other) && Equals(other);
 
     public bool Equals(LLVMTargetRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMTypeRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMTypeRef.cs
@@ -208,7 +208,7 @@ public static LLVMTypeRef CreateStruct(ReadOnlySpan<LLVMTypeRef> ElementTypes, b
 
     public void Dump() => LLVM.DumpType(this);
 
-    public override bool Equals(object obj) => (obj is LLVMTypeRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMTypeRef other) && Equals(other);
 
     public bool Equals(LLVMTypeRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMUseRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMUseRef.cs
@@ -21,7 +21,7 @@ public LLVMUseRef(IntPtr handle)
 
     public static bool operator !=(LLVMUseRef left, LLVMUseRef right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is LLVMUseRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMUseRef other) && Equals(other);
 
     public bool Equals(LLVMUseRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMValueRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMValueRef.cs
@@ -960,7 +960,7 @@ public LLVMBasicBlockRef AppendBasicBlock(ReadOnlySpan<char> Name)
 
     public void Dump() => LLVM.DumpValue(this);
 
-    public override bool Equals(object obj) => (obj is LLVMValueRef other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is LLVMValueRef other) && Equals(other);
 
     public bool Equals(LLVMValueRef other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/lto_code_gen_t.cs b/sources/LLVMSharp.Interop/Extensions/lto_code_gen_t.cs
@@ -21,7 +21,7 @@ public lto_code_gen_t(IntPtr handle)
 
     public static bool operator !=(lto_code_gen_t left, lto_code_gen_t right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is lto_code_gen_t other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is lto_code_gen_t other) && Equals(other);
 
     public bool Equals(lto_code_gen_t other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/lto_input_t.cs b/sources/LLVMSharp.Interop/Extensions/lto_input_t.cs
@@ -21,7 +21,7 @@ public lto_input_t(IntPtr handle)
 
     public static bool operator !=(lto_input_t left, lto_input_t right) => !(left == right);
 
-    public override bool Equals(object obj) => (obj is lto_input_t other) && Equals(other);
+    public override bool Equals(object? obj) => (obj is lto_input_t other) && Equals(other);
 
     public bool Equals(lto_input_t other) => this == other;
 
diff --git a/sources/LLVMSharp.Interop/Extensions/lto_module_t.cs b/sources/LLVMSharp.Interop/Extensions/lto_module_t.cs
diff --git a/sources/LLVMSharp.Interop/Extensions/thinlto_code_gen_t.cs b/sources/LLVMSharp.Interop/Extensions/thinlto_code_gen_t.cs
diff --git a/sources/LLVMSharp.Interop/Internals/MarshaledArray`1.cs b/sources/LLVMSharp.Interop/Internals/MarshaledArray`1.cs
diff --git a/sources/LLVMSharp.Interop/Internals/MarshaledStringArray.cs b/sources/LLVMSharp.Interop/Internals/MarshaledStringArray.cs
diff --git a/sources/LLVMSharp/Attribute.cs b/sources/LLVMSharp/Attribute.cs
diff --git a/sources/LLVMSharp/DataLayout.cs b/sources/LLVMSharp/DataLayout.cs
diff --git a/sources/LLVMSharp/Error.cs b/sources/LLVMSharp/Error.cs
diff --git a/sources/LLVMSharp/IRBuilder.cs b/sources/LLVMSharp/IRBuilder.cs
diff --git a/sources/LLVMSharp/IRBuilderBase.cs b/sources/LLVMSharp/IRBuilderBase.cs
diff --git a/sources/LLVMSharp/LLVMContext.cs b/sources/LLVMSharp/LLVMContext.cs
diff --git a/sources/LLVMSharp/Metadata.cs b/sources/LLVMSharp/Metadata.cs
diff --git a/sources/LLVMSharp/Module.cs b/sources/LLVMSharp/Module.cs
diff --git a/sources/LLVMSharp/StructLayout.cs b/sources/LLVMSharp/StructLayout.cs
diff --git a/sources/LLVMSharp/Target.cs b/sources/LLVMSharp/Target.cs
diff --git a/sources/LLVMSharp/TargetMachine.cs b/sources/LLVMSharp/TargetMachine.cs
diff --git a/sources/LLVMSharp/Types/Type.cs b/sources/LLVMSharp/Types/Type.cs
diff --git a/sources/LLVMSharp/Values/Value.cs b/sources/LLVMSharp/Values/Value.cs
diff --git a/tests/LLVMSharp.UnitTests/DIBuilder.cs b/tests/LLVMSharp.UnitTests/DIBuilder.cs
diff --git a/tests/LLVMSharp.UnitTests/Utilities.cs b/tests/LLVMSharp.UnitTests/Utilities.cs

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,7 @@ namespace LLVMSharp.Interop;`
`9`	`9`
`10`	`10`	`public static unsafe partial class LLVM`
`11`	`11`	`{`
`12`		`- public static event DllImportResolver ResolveLibrary;`
	`12`	`+ public static event DllImportResolver? ResolveLibrary;`
`13`	`13`
`14`	`14`	`static LLVM()`
`15`	`15`	`{`
Original file line number	Diff line number	Diff line change
`@@ -808,7 +808,7 @@ public void Dispose()`
`808`	`808`	`}`
`809`	`809`	`}`
`810`	`810`
`811`		`- public override bool Equals(object obj) => (obj is LLVMBuilderRef other) && Equals(other);`
	`811`	`+ public override bool Equals(object? obj) => (obj is LLVMBuilderRef other) && Equals(other);`
`812`	`812`
`813`	`813`	`public bool Equals(LLVMBuilderRef other) => this == other;`
`814`	`814`
Original file line number	Diff line number	Diff line change
`@@ -95,7 +95,7 @@ public void Dispose()`
`95`	`95`	`}`
`96`	`96`	`}`
`97`	`97`
`98`		`- public override bool Equals(object obj) => (obj is LLVMContextRef other) && Equals(other);`
	`98`	`+ public override bool Equals(object? obj) => (obj is LLVMContextRef other) && Equals(other);`
`99`	`99`
`100`	`100`	`public bool Equals(LLVMContextRef other) => this == other;`
`101`	`101`