diff --git a/example/parse_ir_assmebly.py b/example/parse_ir_assmebly.py
index e95b0e8..490aa93 100644
--- a/example/parse_ir_assmebly.py
+++ b/example/parse_ir_assmebly.py
@@ -31,11 +31,11 @@
     module = f.parent
     # assert m == module
     assert f.kind == core.ValueKind.Function
-    print()
     for i, a in enumerate(f.args, 1):
-        print(f'Argument | name: "{a.name}", type: "{a.type}"') 
+        print(f'\tArgument | name: "{a.name}", type: "{a.type}"') 
         attrs = f.get_attributes_at_index(i)
-        print(f"\tattrs: {attrs}")
+        print(f"\t\tattrs: {attrs}")
+
 
     print("\n----------------------------\n")
         
diff --git a/src/llvm/Core/miscClasses.cpp b/src/llvm/Core/miscClasses.cpp
index 0984d3b..b41214a 100644
--- a/src/llvm/Core/miscClasses.cpp
+++ b/src/llvm/Core/miscClasses.cpp
@@ -26,7 +26,9 @@ void bindOtherClasses(nb::module_ &m) {
        "exist simultaneously. A single context is not thread safe. However,"
        "different contexts can execute on different threads simultaneously.");
 
-  auto AttributeClass = nb::class_<PyAttribute>(m, "Attribute", "Attribute");
+  auto AttributeClass =
+    nb::class_<PyAttribute, PyLLVMObject<PyAttribute, LLVMAttributeRef>>
+      (m, "Attribute", "Attribute");
   auto EnumAttributeClass = nb::class_<PyEnumAttribute, PyAttribute>
                               (m, "EnumAttribute", "EnumAttribute");
   auto TypeAttributeClass = nb::class_<PyTypeAttribute, PyAttribute>
@@ -35,12 +37,16 @@ void bindOtherClasses(nb::module_ &m) {
                                 (m, "StringAttribute", "StringAttribute");
   
   
-  auto BasicBlockClass = nb::class_<PyBasicBlock>
-                           (m, "BasicBlock", "BasicBlock");
-  auto DiagnosticInfoClass = nb::class_<PyDiagnosticInfo>
-                               (m, "DiagnosticInfo", "DiagnosticInfo");
+  auto BasicBlockClass =
+    nb::class_<PyBasicBlock, PyLLVMObject<PyBasicBlock, LLVMBasicBlockRef>>
+      (m, "BasicBlock", "BasicBlock");
+  auto DiagnosticInfoClass =
+    nb::class_<PyDiagnosticInfo, PyLLVMObject<PyDiagnosticInfo, LLVMDiagnosticInfoRef>>
+      (m, "DiagnosticInfo", "DiagnosticInfo");
 
-  auto NamedMDNodeClass = nb::class_<PyNamedMDNode>(m, "NamedMDNode", "NamedMDNode");
+  auto NamedMDNodeClass =
+    nb::class_<PyNamedMDNode, PyLLVMObject<PyNamedMDNode, LLVMNamedMDNodeRef>>
+      (m, "NamedMDNode", "NamedMDNode");
   auto ModuleClass =
     nb::class_<PyModule>
       (m, "Module",
@@ -50,7 +56,9 @@ void bindOtherClasses(nb::module_ &m) {
 
   auto ModuleFlagEntriesClass = nb::class_<PyModuleFlagEntries>
                                   (m, "ModuleFlagEntry", "ModuleFlagEntry");
-  auto MetadataClass = nb::class_<PyMetadata>(m, "Metadata", "Metadata");
+  auto MetadataClass =
+    nb::class_<PyMetadata, PyLLVMObject<PyMetadata, LLVMMetadataRef>>
+      (m, "Metadata", "Metadata");
   auto MDNodeClass = nb::class_<PyMDNode, PyMetadata>(m, "MDNode", "MDNode");
   auto MDStringClass = nb::class_<PyMDString, PyMetadata>(m, "MDString", "MDString");
   auto ValueAsMetadata = nb::class_<PyValueAsMetadata, PyMetadata>
@@ -60,12 +68,18 @@ void bindOtherClasses(nb::module_ &m) {
   auto MetadataEntriesClass = nb::class_<PyMetadataEntries>
                                 (m, "MetadataEntry", "MetadataEntry");
   
-  auto UseClass = nb::class_<PyUse>(m, "Use", "Use");
+  auto UseClass =
+    nb::class_<PyUse, PyLLVMObject<PyUse, LLVMUseRef>>
+      (m, "Use", "Use");
 
-  auto IntrinsicClass = nb::class_<PyIntrinsic>(m, "Intrinsic", "Intrinsic");
+  auto IntrinsicClass =
+    nb::class_<PyIntrinsic, PyLLVMObject<PyIntrinsic, unsigned>>
+      (m, "Intrinsic", "Intrinsic");
   auto OperandBundleClass = nb::class_<PyOperandBundle>(m, "OperandBundle",
                                                         "OperandBundle");
-  auto BuilderClass = nb::class_<PyBuilder>(m, "Builder", "Builder");
+  auto BuilderClass =
+    nb::class_<PyBuilder, PyLLVMObject<PyBuilder, LLVMBuilderRef>>
+      (m, "Builder", "Builder");
   auto ModuleProviderClass = nb::class_<PyModuleProvider>
                                (m, "ModuleProvider", "ModuleProvider");
   auto MemoryBufferClass = nb::class_<PyMemoryBuffer>
@@ -921,6 +935,8 @@ void bindOtherClasses(nb::module_ &m) {
               auto name = std::string(raw_name, len);
               return fmt::format("<Instrinsic id={} name={}>", self.get(), name);
             })
+       .def("__bool__", // override default behavior
+            [](PyIntrinsic &self) { return true; })
        .def_static("lookup",
                    [](std::string &name) {
                      return PyIntrinsic(LLVMLookupIntrinsicID(name.c_str(), name.size()));
diff --git a/src/llvm/Core/type.cpp b/src/llvm/Core/type.cpp
index e3c0fd6..fc093bf 100644
--- a/src/llvm/Core/type.cpp
+++ b/src/llvm/Core/type.cpp
@@ -17,7 +17,7 @@ template <typename T>
 using optional = std::optional<T>;
 
 void bindTypeClasses(nb::module_ &m) {
-  auto TypeClass = nb::class_<PyType>(m, "Type", "Type");
+  auto TypeClass = nb::class_<PyType, PyLLVMObject<PyType, LLVMTypeRef>>(m, "Type", "Type");
   auto TypeIntClass = nb::class_<PyTypeInt, PyType>(m, "IntType", "IntType");
   auto TypeRealClass = nb::class_<PyTypeReal, PyType>(m, "RealType", "RealType");
   auto TypeFunctionClass = nb::class_<PyTypeFunction, PyType> (m, "FunctionType", "FunctionType");
diff --git a/src/llvm/_types.h b/src/llvm/_types.h
index cb25960..c383c16 100644
--- a/src/llvm/_types.h
+++ b/src/llvm/_types.h
@@ -21,6 +21,7 @@
 #include "_types/PyPassManagerBase.h"
 #include "_types/PyMemoryBuffer.h"
 #include "_types/PyModuleProvider.h"
+#include "_types/PyLLVMObject.h"
 
 
 #define DEFINE_PY_WRAPPER_CLASS(ClassName, UnderlyingType) \
@@ -232,6 +233,14 @@
   macro(PyType, PyTypeTargetExt) 
 
 
+#define BIND_PYLLVMOBJECT_(ClassName, UnderlyingType, PyClassName) \
+  nb::class_<PyLLVMObject<ClassName, UnderlyingType>> \
+      (m, #PyClassName, "The base class.") \
+      .def("__bool__", &PyLLVMObject<ClassName, UnderlyingType>::__bool__) \
+      .def("__eq__", &PyLLVMObject<ClassName, UnderlyingType>::__equal__) \
+      .def("__hash__", &PyLLVMObject<ClassName, UnderlyingType>::__hash__);
+
+
 enum class PyAttributeIndex {
   Return = LLVMAttributeReturnIndex,
   Function = LLVMAttributeFunctionIndex
@@ -249,31 +258,32 @@ enum class PyLLVMFastMathFlags {
   All = LLVMFastMathAll
 };
 
-template <typename Derived, typename UnderlyingType>
-class PyLLVMObject {
-public:
-  virtual ~PyLLVMObject() = default;
-
-  UnderlyingType get() const {
-    return const_cast<const Derived*>(static_cast<const Derived*>(this))->get();
-  }
-
-  bool __bool__() const {
-    UnderlyingType raw = static_cast<UnderlyingType>(get());
-    if (!raw) return false;
-    return true;
-  }
-
-  // `__equal__` and `__hash__` works well on pointer type UnderlyingType
-  bool __equal__(const PyLLVMObject& other) const {
-    return this->get() == other.get();
-  }
-
-  std::size_t __hash__() const {
-    return std::hash<UnderlyingType>{}(this->get());
-  }
-};
 
+// NOTE the `__bool__` method of PyIntrinsic is overridden
+#define BIND_PYLLVMOBJECT() \
+  BIND_PYLLVMOBJECT_(PyValue, LLVMValueRef, PyValueObject) \
+  BIND_PYLLVMOBJECT_(PyType, LLVMTypeRef, PyTypeObject) \
+  BIND_PYLLVMOBJECT_(PyDiagnosticInfo, LLVMDiagnosticInfoRef, PyDiagnosticInfoObject) \
+  BIND_PYLLVMOBJECT_(PyAttribute, LLVMAttributeRef, PyAttributeObject) \
+  BIND_PYLLVMOBJECT_(PyNamedMDNode, LLVMNamedMDNodeRef, PyNamedMDNodeObject) \
+  BIND_PYLLVMOBJECT_(PyUse, LLVMUseRef, PyUseObject) \
+  BIND_PYLLVMOBJECT_(PyBasicBlock, LLVMBasicBlockRef, PyBasicBlockObject) \
+  BIND_PYLLVMOBJECT_(PyBuilder, LLVMBuilderRef, PyBuilderObject) \
+  BIND_PYLLVMOBJECT_(PyMetadata, LLVMMetadataRef, PyMetadataObject) \
+  BIND_PYLLVMOBJECT_(PyIntrinsic, unsigned, PyIntrinsicObject) \
+\
+  BIND_PYLLVMOBJECT_(PyContext, LLVMContextRef, PyContextObject) \
+  BIND_PYLLVMOBJECT_(PyMemoryBuffer, LLVMMemoryBufferRef, PyMemoryBufferObject) \
+  BIND_PYLLVMOBJECT_(PyMetadataEntries, LLVMValueMetadataEntries, PyMetadataEntriesObject) \
+  BIND_PYLLVMOBJECT_(PyModuleFlagEntries, LLVMModuleFlagEntries, PyModuleFlagEntriesObject) \
+  BIND_PYLLVMOBJECT_(PyModule, LLVMModuleRef, PyModuleObject) \
+  BIND_PYLLVMOBJECT_(PyModuleProvider, LLVMModuleProviderRef, PyModuleProviderObject) \
+  BIND_PYLLVMOBJECT_(PyOperandBundle, LLVMOperandBundleRef, PyOperandBundleObject) \
+  BIND_PYLLVMOBJECT_(PyPassManagerBase, LLVMPassManagerRef, PyPassManagerBaseObject)
+
+
+
+ 
 
 DEFINE_PY_WRAPPER_CLASS_POLYMORPHIC(PyValue, LLVMValueRef)
 DEFINE_PY_WRAPPER_CLASS_POLYMORPHIC(PyType, LLVMTypeRef)
@@ -285,6 +295,7 @@ DEFINE_PY_WRAPPER_CLASS(PyBasicBlock, LLVMBasicBlockRef)
 DEFINE_PY_WRAPPER_CLASS(PyBuilder, LLVMBuilderRef)
 
 DEFINE_PY_WRAPPER_CLASS(PyMetadata, LLVMMetadataRef)
+
 DEFINE_DIRECT_SUB_CLASS(PyMetadata, PyMDNode)
 DEFINE_DIRECT_SUB_CLASS(PyMetadata, PyValueAsMetadata)
 DEFINE_DIRECT_SUB_CLASS(PyMetadata, PyMDString)
@@ -301,8 +312,6 @@ DEFINE_PY_WRAPPER_CLASS(PyIntrinsic, unsigned)
 
 
 
-
-
 DEFINE_DIRECT_SUB_CLASS(PyPassManagerBase, PyPassManager);
 DEFINE_DIRECT_SUB_CLASS(PyPassManagerBase, PyFunctionPassManager);
 
diff --git a/src/llvm/_types/PyContext.h b/src/llvm/_types/PyContext.h
index 5e8ab31..cb35c3e 100644
--- a/src/llvm/_types/PyContext.h
+++ b/src/llvm/_types/PyContext.h
@@ -6,8 +6,9 @@
 #include <memory>
 #include <unordered_map>
 #include <mutex>
+#include "PyLLVMObject.h"
 
-class PyContext {
+class PyContext : public PyLLVMObject<PyContext, LLVMContextRef> {
 public:
   explicit PyContext();
   explicit PyContext(LLVMContextRef context, bool is_global_context);
diff --git a/src/llvm/_types/PyLLVMObject.h b/src/llvm/_types/PyLLVMObject.h
new file mode 100644
index 0000000..689e9a7
--- /dev/null
+++ b/src/llvm/_types/PyLLVMObject.h
@@ -0,0 +1,30 @@
+#ifndef PYLLVMOBJECT_H
+#define PYLLVMOBJECT_H
+
+template <typename Derived, typename UnderlyingType>
+class PyLLVMObject {
+public:
+  virtual ~PyLLVMObject() = default;
+
+  UnderlyingType get() const {
+    return const_cast<const Derived*>(static_cast<const Derived*>(this))->get();
+  }
+
+  bool __bool__() const {
+    UnderlyingType raw = static_cast<UnderlyingType>(get());
+    if (!raw) return false;
+    return true;
+  }
+
+  // `__equal__` and `__hash__` works well on pointer type UnderlyingType
+  bool __equal__(const PyLLVMObject& other) const {
+    return this->get() == other.get();
+  }
+
+std::size_t __hash__() const {
+    return std::hash<UnderlyingType>{}(this->get());
+}
+};
+
+
+#endif
diff --git a/src/llvm/_types/PyMemoryBuffer.h b/src/llvm/_types/PyMemoryBuffer.h
index 1acf15b..54f9c58 100644
--- a/src/llvm/_types/PyMemoryBuffer.h
+++ b/src/llvm/_types/PyMemoryBuffer.h
@@ -5,8 +5,9 @@
 #include <memory>
 #include <unordered_map>
 #include <mutex>
+#include "PyLLVMObject.h"
 
-class PyMemoryBuffer {
+class PyMemoryBuffer : public PyLLVMObject<PyMemoryBuffer, LLVMMemoryBufferRef> {
 public:
   explicit PyMemoryBuffer(LLVMMemoryBufferRef mb);
   LLVMMemoryBufferRef get() const;
diff --git a/src/llvm/_types/PyMetadataEntries.h b/src/llvm/_types/PyMetadataEntries.h
index b505156..486d7ea 100644
--- a/src/llvm/_types/PyMetadataEntries.h
+++ b/src/llvm/_types/PyMetadataEntries.h
@@ -5,10 +5,11 @@
 #include <memory>
 #include <unordered_map>
 #include <mutex>
+#include "PyLLVMObject.h"
 
 typedef LLVMValueMetadataEntry *LLVMValueMetadataEntries;
 
-class PyMetadataEntries {
+class PyMetadataEntries : public PyLLVMObject<PyMetadataEntries, LLVMValueMetadataEntries> {
 public:
   explicit PyMetadataEntries(LLVMValueMetadataEntries entries, size_t len);
   LLVMValueMetadataEntries get() const;
diff --git a/src/llvm/_types/PyModule.h b/src/llvm/_types/PyModule.h
index f647050..c46e29e 100644
--- a/src/llvm/_types/PyModule.h
+++ b/src/llvm/_types/PyModule.h
@@ -7,8 +7,9 @@
 #include <unordered_map>
 #include <mutex>
 #include <string>
+#include "PyLLVMObject.h"
 
-class PyModule {
+class PyModule : public PyLLVMObject<PyModule, LLVMModuleRef> {
 public:
   explicit PyModule(const std::string &id);
   explicit PyModule(const std::string &id, LLVMContextRef context);
diff --git a/src/llvm/_types/PyModuleFlagEntries.h b/src/llvm/_types/PyModuleFlagEntries.h
index 7b1def7..9d20a7d 100644
--- a/src/llvm/_types/PyModuleFlagEntries.h
+++ b/src/llvm/_types/PyModuleFlagEntries.h
@@ -5,10 +5,11 @@
 #include <memory>
 #include <unordered_map>
 #include <mutex>
+#include "PyLLVMObject.h"
 
 typedef LLVMModuleFlagEntry *LLVMModuleFlagEntries;
 
-class PyModuleFlagEntries {
+class PyModuleFlagEntries : public PyLLVMObject<PyModuleFlagEntries, LLVMModuleFlagEntries>{
 public:
   explicit PyModuleFlagEntries(LLVMModuleFlagEntries entries, size_t len);
   LLVMModuleFlagEntries get() const;
diff --git a/src/llvm/_types/PyModuleProvider.h b/src/llvm/_types/PyModuleProvider.h
index 7e0cf31..929050f 100644
--- a/src/llvm/_types/PyModuleProvider.h
+++ b/src/llvm/_types/PyModuleProvider.h
@@ -5,8 +5,9 @@
 #include <memory>
 #include <unordered_map>
 #include <mutex>
+#include "PyLLVMObject.h"
 
-class PyModuleProvider {
+class PyModuleProvider : public PyLLVMObject<PyModuleProvider, LLVMModuleProviderRef>{
 public:
   explicit PyModuleProvider(LLVMModuleProviderRef mp);
   LLVMModuleProviderRef get() const;
diff --git a/src/llvm/_types/PyOperandBundle.h b/src/llvm/_types/PyOperandBundle.h
index 41350bb..511660d 100644
--- a/src/llvm/_types/PyOperandBundle.h
+++ b/src/llvm/_types/PyOperandBundle.h
@@ -5,8 +5,9 @@
 #include <memory>
 #include <unordered_map>
 #include <mutex>
+#include "PyLLVMObject.h"
 
-class PyOperandBundle {
+class PyOperandBundle : public PyLLVMObject<PyOperandBundle, LLVMOperandBundleRef> {
 public:
   explicit PyOperandBundle(LLVMOperandBundleRef bundle);
   LLVMOperandBundleRef get() const;
diff --git a/src/llvm/_types/PyPassManagerBase.h b/src/llvm/_types/PyPassManagerBase.h
index 2d4cccc..ae4fe2b 100644
--- a/src/llvm/_types/PyPassManagerBase.h
+++ b/src/llvm/_types/PyPassManagerBase.h
@@ -5,8 +5,9 @@
 #include <memory>
 #include <unordered_map>
 #include <mutex>
+#include "PyLLVMObject.h"
 
-class PyPassManagerBase {
+class PyPassManagerBase : public PyLLVMObject<PyPassManagerBase, LLVMPassManagerRef> {
 public:
   explicit PyPassManagerBase(LLVMPassManagerRef pm);
   LLVMPassManagerRef get() const;
diff --git a/src/llvmpym_ext.cpp b/src/llvmpym_ext.cpp
index 9ae5183..a4da023 100644
--- a/src/llvmpym_ext.cpp
+++ b/src/llvmpym_ext.cpp
@@ -11,11 +11,7 @@ using namespace nb::literals;
 NB_MODULE(llvmpym_ext, m) {
   m.doc() = "LLVM Python Native Extension";
   
-  nb::class_<PyLLVMObject<PyValue, LLVMValueRef>>
-    (m, "LLVMObject", "The base of for all LLVM object classes.")
-      .def("__bool__", &PyLLVMObject<PyValue, LLVMValueRef>::__bool__)
-      .def("__eq__", &PyLLVMObject<PyValue, LLVMValueRef>::__equal__)
-      .def("__hash__", &PyLLVMObject<PyValue, LLVMValueRef>::__hash__);
+  BIND_PYLLVMOBJECT();
   
   auto coreModule = m.def_submodule("core", "LLVM Core");
   populateCore(coreModule);