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doc/api/libbabeltrace2/DoxygenLayout.xml: use `topics` tab
[babeltrace.git] / src / cpp-common / bt2 / field-class.hpp
diff --git a/src/cpp-common/bt2/field-class.hpp b/src/cpp-common/bt2/field-class.hpp
index 95d3f8b21f3c61c284d502bc2bf21ab91e851657..71e32e411d2d43cb5d19ed411b41383aa82488bc 100644 (file)
--- a/src/cpp-common/bt2/field-class.hpp
+++ b/src/cpp-common/bt2/field-class.hpp
@@ -13,8 +13,8 @@
 #include <babeltrace2/babeltrace.h>
 
 #include "common/assert.h"
-#include "cpp-common/optional.hpp"
-#include "cpp-common/string_view.hpp"
+#include "cpp-common/bt2c/c-string-view.hpp"
+#include "cpp-common/bt2s/optional.hpp"
 
 #include "borrowed-object-iterator.hpp"
 #include "borrowed-object.hpp"
@@ -22,6 +22,7 @@
 #include "field-path.hpp"
 #include "integer-range-set.hpp"
 #include "internal/utils.hpp"
+#include "optional-borrowed-object.hpp"
 #include "shared-object.hpp"
 #include "value.hpp"
 
@@ -134,29 +135,28 @@ class CommonTraceClass;
 
 enum class FieldClassType
 {
-    BOOL = BT_FIELD_CLASS_TYPE_BOOL,
-    BIT_ARRAY = BT_FIELD_CLASS_TYPE_BIT_ARRAY,
-    UNSIGNED_INTEGER = BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER,
-    SIGNED_INTEGER = BT_FIELD_CLASS_TYPE_SIGNED_INTEGER,
-    UNSIGNED_ENUMERATION = BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION,
-    SIGNED_ENUMERATION = BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION,
-    SINGLE_PRECISION_REAL = BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL,
-    DOUBLE_PRECISION_REAL = BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL,
-    STRING = BT_FIELD_CLASS_TYPE_STRING,
-    STRUCTURE = BT_FIELD_CLASS_TYPE_STRUCTURE,
-    STATIC_ARRAY = BT_FIELD_CLASS_TYPE_STATIC_ARRAY,
-    DYNAMIC_ARRAY_WITHOUT_LENGTH = BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD,
-    DYNAMIC_ARRAY_WITH_LENGTH = BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD,
-    OPTION_WITHOUT_SELECTOR = BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD,
-    OPTION_WITH_BOOL_SELECTOR = BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD,
-    OPTION_WITH_UNSIGNED_INTEGER_SELECTOR =
+    Bool = BT_FIELD_CLASS_TYPE_BOOL,
+    BitArray = BT_FIELD_CLASS_TYPE_BIT_ARRAY,
+    UnsignedInteger = BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER,
+    SignedInteger = BT_FIELD_CLASS_TYPE_SIGNED_INTEGER,
+    UnsignedEnumeration = BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION,
+    SignedEnumeration = BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION,
+    SinglePrecisionReal = BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL,
+    DoublePrecisionReal = BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL,
+    String = BT_FIELD_CLASS_TYPE_STRING,
+    Structure = BT_FIELD_CLASS_TYPE_STRUCTURE,
+    StaticArray = BT_FIELD_CLASS_TYPE_STATIC_ARRAY,
+    DynamicArrayWithoutLength = BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD,
+    DynamicArrayWithLength = BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD,
+    OptionWithoutSelector = BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD,
+    OptionWithBoolSelector = BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD,
+    OptionWithUnsignedIntegerSelector =
         BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD,
-    OPTION_WITH_SIGNED_INTEGER_SELECTOR =
-        BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD,
-    VARIANT_WITHOUT_SELECTOR = BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD,
-    VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR =
+    OptionWithSignedIntegerSelector = BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD,
+    VariantWithoutSelector = BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD,
+    VariantWithUnsignedIntegerSelector =
         BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD,
-    VARIANT_WITH_SIGNED_INTEGER_SELECTOR =
+    VariantWithSignedIntegerSelector =
         BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD,
 };
 
@@ -167,14 +167,14 @@ private:
     using typename BorrowedObject<LibObjT>::_ThisBorrowedObject;
 
 protected:
-    using typename BorrowedObject<LibObjT>::_LibObjPtr;
     using _ThisCommonFieldClass = CommonFieldClass<LibObjT>;
 
 public:
+    using typename BorrowedObject<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonFieldClass<LibObjT>, LibObjT>;
     using UserAttributes = internal::DepUserAttrs<LibObjT>;
 
-    explicit CommonFieldClass(const _LibObjPtr libObjPtr) noexcept : _ThisBorrowedObject {libObjPtr}
+    explicit CommonFieldClass(const LibObjPtr libObjPtr) noexcept : _ThisBorrowedObject {libObjPtr}
     {
     }
 
@@ -184,7 +184,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonFieldClass& operator=(const CommonFieldClass<OtherLibObjT> fc) noexcept
+    CommonFieldClass operator=(const CommonFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisBorrowedObject::operator=(fc);
         return *this;
@@ -401,11 +401,12 @@ public:
     asVariantWithSignedIntegerSelector() const noexcept;
 
     template <typename LibValT>
-    void userAttributes(const CommonMapValue<LibValT> userAttrs) const noexcept
+    CommonFieldClass userAttributes(const CommonMapValue<LibValT> userAttrs) const noexcept
     {
         static_assert(!std::is_const<LibObjT>::value, "Not available with `bt2::ConstFieldClass`.");
 
         bt_field_class_set_user_attributes(this->libObjPtr(), userAttrs.libObjPtr());
+        return *this;
     }
 
     UserAttributes userAttributes() const noexcept
@@ -453,13 +454,13 @@ template <typename LibObjT>
 class CommonBitArrayFieldClass final : public CommonFieldClass<LibObjT>
 {
 private:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using typename CommonFieldClass<LibObjT>::_ThisCommonFieldClass;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonBitArrayFieldClass<LibObjT>, LibObjT>;
 
-    explicit CommonBitArrayFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonBitArrayFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isBitArray());
@@ -472,7 +473,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonBitArrayFieldClass<LibObjT>&
+    CommonBitArrayFieldClass<LibObjT>
     operator=(const CommonBitArrayFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonFieldClass::operator=(fc);
@@ -520,10 +521,10 @@ struct TypeDescr<ConstBitArrayFieldClass> : public BitArrayFieldClassTypeDescr
 
 enum class DisplayBase
 {
-    BINARY = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY,
-    OCTAL = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL,
-    DECIMAL = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL,
-    HEXADECIMAL = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL,
+    Binary = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY,
+    Octal = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL,
+    Decimal = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL,
+    Hexadecimal = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL,
 };
 
 template <typename LibObjT>
@@ -533,13 +534,13 @@ private:
     using typename CommonFieldClass<LibObjT>::_ThisCommonFieldClass;
 
 protected:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using _ThisCommonIntegerFieldClass = CommonIntegerFieldClass<LibObjT>;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonIntegerFieldClass<LibObjT>, LibObjT>;
 
-    explicit CommonIntegerFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonIntegerFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isInteger());
@@ -552,7 +553,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonIntegerFieldClass& operator=(const CommonIntegerFieldClass<OtherLibObjT> fc) noexcept
+    CommonIntegerFieldClass operator=(const CommonIntegerFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonFieldClass::operator=(fc);
         return *this;
@@ -563,12 +564,13 @@ public:
         return CommonIntegerFieldClass<const bt_field_class> {*this};
     }
 
-    void fieldValueRange(const std::uint64_t n) const noexcept
+    CommonIntegerFieldClass fieldValueRange(const std::uint64_t n) const noexcept
     {
         static_assert(!std::is_const<LibObjT>::value,
                       "Not available with `bt2::ConstIntegerFieldClass`.");
 
         bt_field_class_integer_set_field_value_range(this->libObjPtr(), n);
+        return *this;
     }
 
     std::uint64_t fieldValueRange() const noexcept
@@ -576,13 +578,14 @@ public:
         return bt_field_class_integer_get_field_value_range(this->libObjPtr());
     }
 
-    void preferredDisplayBase(const DisplayBase base) const noexcept
+    CommonIntegerFieldClass preferredDisplayBase(const DisplayBase base) const noexcept
     {
         static_assert(!std::is_const<LibObjT>::value,
                       "Not available with `bt2::ConstIntegerFieldClass`.");
 
         bt_field_class_integer_set_preferred_display_base(
             this->libObjPtr(), static_cast<bt_field_class_integer_preferred_display_base>(base));
+        return *this;
     }
 
     DisplayBase preferredDisplayBase() const noexcept
@@ -618,10 +621,6 @@ struct TypeDescr<ConstIntegerFieldClass> : public IntegerFieldClassTypeDescr
 {
 };
 
-} /* namespace internal */
-
-namespace internal {
-
 template <typename LibObjT>
 struct ConstEnumerationFieldClassMappingSpec;
 
@@ -669,14 +668,15 @@ class ConstEnumerationFieldClassMapping final : public BorrowedObject<LibObjT>
 {
 private:
     using typename BorrowedObject<LibObjT>::_ThisBorrowedObject;
-    using typename BorrowedObject<LibObjT>::_LibObjPtr;
 
 public:
+    using typename BorrowedObject<LibObjT>::LibObjPtr;
+
     using RangeSet = typename std::conditional<
         std::is_same<LibObjT, const bt_field_class_enumeration_unsigned_mapping>::value,
         ConstUnsignedIntegerRangeSet, ConstSignedIntegerRangeSet>::type;
 
-    explicit ConstEnumerationFieldClassMapping(const _LibObjPtr libObjPtr) noexcept :
+    explicit ConstEnumerationFieldClassMapping(const LibObjPtr libObjPtr) noexcept :
         _ThisBorrowedObject {libObjPtr}
     {
     }
@@ -686,7 +686,7 @@ public:
     {
     }
 
-    ConstEnumerationFieldClassMapping&
+    ConstEnumerationFieldClassMapping
     operator=(const ConstEnumerationFieldClassMapping& mapping) noexcept
     {
         _ThisBorrowedObject::operator=(mapping);
@@ -699,7 +699,7 @@ public:
             internal::ConstEnumerationFieldClassMappingSpec<LibObjT>::ranges(this->libObjPtr())};
     }
 
-    bpstd::string_view label() const noexcept
+    bt2c::CStringView label() const noexcept
     {
         return internal::ConstEnumerationFieldClassMappingSpec<LibObjT>::label(this->libObjPtr());
     }
@@ -773,13 +773,13 @@ private:
     using typename CommonIntegerFieldClass<LibObjT>::_ThisCommonIntegerFieldClass;
 
 protected:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using _ThisCommonBaseEnumerationFieldClass = CommonBaseEnumerationFieldClass<LibObjT>;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<_ThisCommonBaseEnumerationFieldClass, LibObjT>;
 
-    explicit CommonBaseEnumerationFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonBaseEnumerationFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonIntegerFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isEnumeration());
@@ -793,7 +793,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonBaseEnumerationFieldClass&
+    CommonBaseEnumerationFieldClass
     operator=(const CommonBaseEnumerationFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonIntegerFieldClass::operator=(fc);
@@ -820,15 +820,15 @@ template <typename LibObjT, typename MappingT>
 class CommonEnumerationFieldClass final : public CommonBaseEnumerationFieldClass<LibObjT>
 {
 private:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using typename CommonBaseEnumerationFieldClass<LibObjT>::_ThisCommonBaseEnumerationFieldClass;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonEnumerationFieldClass, LibObjT>;
     using Iterator = BorrowedObjectIterator<CommonEnumerationFieldClass>;
     using Mapping = MappingT;
 
-    explicit CommonEnumerationFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonEnumerationFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonBaseEnumerationFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isEnumeration());
@@ -842,7 +842,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonEnumerationFieldClass&
+    CommonEnumerationFieldClass
     operator=(const CommonEnumerationFieldClass<OtherLibObjT, MappingT> fc) noexcept
     {
         CommonEnumerationFieldClass::operator=(fc);
@@ -855,36 +855,26 @@ public:
             this->libObjPtr(), index)};
     }
 
-    nonstd::optional<Mapping> operator[](const char * const label) const noexcept
+    OptionalBorrowedObject<Mapping> operator[](const bt2c::CStringView label) const noexcept
     {
-        const auto libObjPtr = internal::CommonEnumerationFieldClassSpec<MappingT>::mappingByLabel(
+        return internal::CommonEnumerationFieldClassSpec<MappingT>::mappingByLabel(
             this->libObjPtr(), label);
-
-        if (libObjPtr) {
-            return Mapping {libObjPtr};
-        }
-
-        return nonstd::nullopt;
     }
 
-    nonstd::optional<Mapping> operator[](const std::string& label) const noexcept
+    CommonEnumerationFieldClass addMapping(const bt2c::CStringView label,
+                                           const typename Mapping::RangeSet ranges) const
     {
-        return (*this)[label.data()];
-    }
+        static_assert(!std::is_const<LibObjT>::value,
+                      "Not available with `bt2::Const*EnumerationFieldClass`.");
 
-    void addMapping(const char * const label, const typename Mapping::RangeSet ranges) const
-    {
         const auto status = internal::CommonEnumerationFieldClassSpec<MappingT>::addMapping(
             this->libObjPtr(), label, ranges.libObjPtr());
 
         if (status == BT_FIELD_CLASS_ENUMERATION_ADD_MAPPING_STATUS_MEMORY_ERROR) {
             throw MemoryError {};
         }
-    }
 
-    void addMapping(const std::string& label, const typename Mapping::RangeSet ranges) const
-    {
-        this->addMapping(label.data(), ranges);
+        return *this;
     }
 
     Iterator begin() const noexcept
@@ -993,14 +983,14 @@ template <typename LibObjT>
 class CommonStructureFieldClassMember final : public BorrowedObject<LibObjT>
 {
 private:
-    using typename BorrowedObject<LibObjT>::_LibObjPtr;
     using typename BorrowedObject<LibObjT>::_ThisBorrowedObject;
     using _FieldClass = internal::DepFc<LibObjT>;
 
 public:
+    using typename BorrowedObject<LibObjT>::LibObjPtr;
     using UserAttributes = internal::DepUserAttrs<LibObjT>;
 
-    explicit CommonStructureFieldClassMember(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonStructureFieldClassMember(const LibObjPtr libObjPtr) noexcept :
         _ThisBorrowedObject {libObjPtr}
     {
     }
@@ -1013,7 +1003,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonStructureFieldClassMember<LibObjT>&
+    CommonStructureFieldClassMember<LibObjT>
     operator=(const CommonStructureFieldClassMember<OtherLibObjT> fc) noexcept
     {
         _ThisBorrowedObject::operator=(fc);
@@ -1025,7 +1015,7 @@ public:
         return CommonStructureFieldClassMember<const bt_field_class_structure_member> {*this};
     }
 
-    bpstd::string_view name() const noexcept
+    bt2c::CStringView name() const noexcept
     {
         return bt_field_class_structure_member_get_name(this->libObjPtr());
     }
@@ -1037,13 +1027,15 @@ public:
     }
 
     template <typename LibValT>
-    void userAttributes(const CommonMapValue<LibValT> userAttrs) const noexcept
+    CommonStructureFieldClassMember
+    userAttributes(const CommonMapValue<LibValT> userAttrs) const noexcept
     {
         static_assert(!std::is_const<LibObjT>::value,
                       "Not available with `bt2::ConstStructureFieldClassMember`.");
 
         bt_field_class_structure_member_set_user_attributes(this->libObjPtr(),
                                                             userAttrs.libObjPtr());
+        return *this;
     }
 
     UserAttributes userAttributes() const noexcept
@@ -1120,17 +1112,17 @@ template <typename LibObjT>
 class CommonStructureFieldClass final : public CommonFieldClass<LibObjT>
 {
 private:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using typename CommonFieldClass<LibObjT>::_ThisCommonFieldClass;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonStructureFieldClass<LibObjT>, LibObjT>;
     using Iterator = BorrowedObjectIterator<CommonStructureFieldClass<LibObjT>>;
 
     using Member =
         internal::DepType<LibObjT, StructureFieldClassMember, ConstStructureFieldClassMember>;
 
-    explicit CommonStructureFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonStructureFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isStructure());
@@ -1143,7 +1135,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonStructureFieldClass& operator=(const CommonStructureFieldClass<OtherLibObjT> fc) noexcept
+    CommonStructureFieldClass operator=(const CommonStructureFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonFieldClass::operator=(fc);
         return *this;
@@ -1154,7 +1146,7 @@ public:
         return CommonStructureFieldClass<const bt_field_class> {*this};
     }
 
-    void appendMember(const char * const name, const FieldClass fc) const
+    CommonStructureFieldClass appendMember(const bt2c::CStringView name, const FieldClass fc) const
     {
         static_assert(!std::is_const<LibObjT>::value,
                       "Not available with `bt2::ConstStructureFieldClass`.");
@@ -1165,11 +1157,8 @@ public:
         if (status == BT_FIELD_CLASS_STRUCTURE_APPEND_MEMBER_STATUS_MEMORY_ERROR) {
             throw MemoryError {};
         }
-    }
 
-    void appendMember(const std::string& name, const FieldClass fc) const
-    {
-        this->appendMember(name.data(), fc);
+        return *this;
     }
 
     std::uint64_t length() const noexcept
@@ -1193,21 +1182,10 @@ public:
             this->libObjPtr(), index)};
     }
 
-    nonstd::optional<Member> operator[](const char * const name) const noexcept
-    {
-        const auto libObjPtr =
-            internal::CommonStructureFieldClassSpec<LibObjT>::memberByName(this->libObjPtr(), name);
-
-        if (libObjPtr) {
-            return Member {libObjPtr};
-        }
-
-        return nonstd::nullopt;
-    }
-
-    nonstd::optional<Member> operator[](const std::string& name) const noexcept
+    OptionalBorrowedObject<Member> operator[](const bt2c::CStringView name) const noexcept
     {
-        return (*this)[name.data()];
+        return internal::CommonStructureFieldClassSpec<LibObjT>::memberByName(this->libObjPtr(),
+                                                                              name);
     }
 
     Shared shared() const noexcept
@@ -1270,13 +1248,13 @@ private:
     using _FieldClass = internal::DepFc<LibObjT>;
 
 protected:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using _ThisCommonArrayFieldClass = CommonArrayFieldClass<LibObjT>;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonArrayFieldClass<LibObjT>, LibObjT>;
 
-    explicit CommonArrayFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonArrayFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isArray());
@@ -1289,7 +1267,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonArrayFieldClass& operator=(const CommonArrayFieldClass<OtherLibObjT> fc) noexcept
+    CommonArrayFieldClass operator=(const CommonArrayFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonFieldClass::operator=(fc);
         return *this;
@@ -1340,12 +1318,12 @@ class CommonStaticArrayFieldClass final : public CommonArrayFieldClass<LibObjT>
 {
 private:
     using typename CommonArrayFieldClass<LibObjT>::_ThisCommonArrayFieldClass;
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonStaticArrayFieldClass<LibObjT>, LibObjT>;
 
-    explicit CommonStaticArrayFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonStaticArrayFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonArrayFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isStaticArray());
@@ -1358,7 +1336,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonStaticArrayFieldClass&
+    CommonStaticArrayFieldClass
     operator=(const CommonStaticArrayFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonArrayFieldClass::operator=(fc);
@@ -1409,12 +1387,12 @@ class CommonDynamicArrayWithLengthFieldClass final : public CommonArrayFieldClas
 {
 private:
     using typename CommonArrayFieldClass<LibObjT>::_ThisCommonArrayFieldClass;
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonDynamicArrayWithLengthFieldClass<LibObjT>, LibObjT>;
 
-    explicit CommonDynamicArrayWithLengthFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonDynamicArrayWithLengthFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonArrayFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isDynamicArrayWithLength());
@@ -1428,7 +1406,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonDynamicArrayWithLengthFieldClass&
+    CommonDynamicArrayWithLengthFieldClass
     operator=(const CommonDynamicArrayWithLengthFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonArrayFieldClass::operator=(fc);
@@ -1511,13 +1489,13 @@ private:
     using _FieldClass = internal::DepFc<LibObjT>;
 
 protected:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using _ThisCommonOptionFieldClass = CommonOptionFieldClass<LibObjT>;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonOptionFieldClass<LibObjT>, LibObjT>;
 
-    explicit CommonOptionFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonOptionFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isOption());
@@ -1530,7 +1508,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonOptionFieldClass& operator=(const CommonOptionFieldClass<OtherLibObjT> fc) noexcept
+    CommonOptionFieldClass operator=(const CommonOptionFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonFieldClass::operator=(fc);
         return *this;
@@ -1583,13 +1561,13 @@ private:
     using typename CommonOptionFieldClass<LibObjT>::_ThisCommonOptionFieldClass;
 
 protected:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using _ThisCommonOptionWithSelectorFieldClass = CommonOptionWithSelectorFieldClass<LibObjT>;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonOptionWithSelectorFieldClass<LibObjT>, LibObjT>;
 
-    explicit CommonOptionWithSelectorFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonOptionWithSelectorFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonOptionFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isOptionWithSelector());
@@ -1603,7 +1581,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonOptionWithSelectorFieldClass&
+    CommonOptionWithSelectorFieldClass
     operator=(const CommonOptionWithSelectorFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonOptionFieldClass::operator=(fc);
@@ -1655,15 +1633,14 @@ template <typename LibObjT>
 class CommonOptionWithBoolSelectorFieldClass : public CommonOptionWithSelectorFieldClass<LibObjT>
 {
 private:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
-
     using typename CommonOptionWithSelectorFieldClass<
         LibObjT>::_ThisCommonOptionWithSelectorFieldClass;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonOptionWithBoolSelectorFieldClass<LibObjT>, LibObjT>;
 
-    explicit CommonOptionWithBoolSelectorFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonOptionWithBoolSelectorFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonOptionWithSelectorFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isOptionWithBoolSelector());
@@ -1677,7 +1654,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonOptionWithBoolSelectorFieldClass&
+    CommonOptionWithBoolSelectorFieldClass
     operator=(const CommonOptionWithBoolSelectorFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonOptionWithSelectorFieldClass::operator=(fc);
@@ -1759,16 +1736,15 @@ template <typename LibObjT, typename RangeSetT>
 class CommonOptionWithIntegerSelectorFieldClass : public CommonOptionWithSelectorFieldClass<LibObjT>
 {
 private:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
-
     using typename CommonOptionWithSelectorFieldClass<
         LibObjT>::_ThisCommonOptionWithSelectorFieldClass;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonOptionWithIntegerSelectorFieldClass, LibObjT>;
     using RangeSet = RangeSetT;
 
-    explicit CommonOptionWithIntegerSelectorFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonOptionWithIntegerSelectorFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonOptionWithSelectorFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isOptionWithIntegerSelector());
@@ -1782,7 +1758,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonOptionWithIntegerSelectorFieldClass&
+    CommonOptionWithIntegerSelectorFieldClass
     operator=(const CommonOptionWithIntegerSelectorFieldClass<OtherLibObjT, RangeSetT> fc) noexcept
     {
         _ThisCommonOptionWithSelectorFieldClass::operator=(fc);
@@ -1893,13 +1869,13 @@ class CommonVariantFieldClassOption : public BorrowedObject<LibObjT>
 {
 private:
     using typename BorrowedObject<LibObjT>::_ThisBorrowedObject;
-    using typename BorrowedObject<LibObjT>::_LibObjPtr;
     using _FieldClass = internal::DepFc<LibObjT>;
 
 public:
+    using typename BorrowedObject<LibObjT>::LibObjPtr;
     using UserAttributes = internal::DepUserAttrs<LibObjT>;
 
-    explicit CommonVariantFieldClassOption(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonVariantFieldClassOption(const LibObjPtr libObjPtr) noexcept :
         _ThisBorrowedObject {libObjPtr}
     {
     }
@@ -1911,7 +1887,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonVariantFieldClassOption&
+    CommonVariantFieldClassOption
     operator=(const CommonVariantFieldClassOption<OtherLibObjT> fc) noexcept
     {
         _ThisBorrowedObject::operator=(fc);
@@ -1923,15 +1899,9 @@ public:
         return CommonVariantFieldClassOption<const bt_field_class_variant_option> {*this};
     }
 
-    nonstd::optional<bpstd::string_view> name() const noexcept
+    bt2c::CStringView name() const noexcept
     {
-        const auto name = bt_field_class_variant_option_get_name(this->libObjPtr());
-
-        if (name) {
-            return name;
-        }
-
-        return nonstd::nullopt;
+        return bt_field_class_variant_option_get_name(this->libObjPtr());
     }
 
     _FieldClass fieldClass() const noexcept
@@ -1941,12 +1911,14 @@ public:
     }
 
     template <typename LibValT>
-    void userAttributes(const CommonMapValue<LibValT> userAttrs) const noexcept
+    CommonVariantFieldClassOption
+    userAttributes(const CommonMapValue<LibValT> userAttrs) const noexcept
     {
         static_assert(!std::is_const<LibObjT>::value,
                       "Not available with `bt2::ConstVariantFieldClassOption`.");
 
         bt_field_class_variant_option_set_user_attributes(this->libObjPtr(), userAttrs.libObjPtr());
+        return *this;
     }
 
     UserAttributes userAttributes() const noexcept
@@ -2035,17 +2007,18 @@ class ConstVariantWithIntegerSelectorFieldClassOption : public BorrowedObject<Li
 {
 private:
     using typename BorrowedObject<LibObjT>::_ThisBorrowedObject;
-    using typename BorrowedObject<LibObjT>::_LibObjPtr;
     using _Spec = internal::ConstVariantWithIntegerSelectorFieldClassOptionSpec<LibObjT>;
 
 public:
+    using typename BorrowedObject<LibObjT>::LibObjPtr;
+
     using RangeSet = typename std::conditional<
         std::is_same<
             LibObjT,
             const bt_field_class_variant_with_selector_field_integer_unsigned_option>::value,
         ConstUnsignedIntegerRangeSet, ConstSignedIntegerRangeSet>::type;
 
-    explicit ConstVariantWithIntegerSelectorFieldClassOption(const _LibObjPtr libObjPtr) noexcept :
+    explicit ConstVariantWithIntegerSelectorFieldClassOption(const LibObjPtr libObjPtr) noexcept :
         _ThisBorrowedObject {libObjPtr}
     {
     }
@@ -2058,7 +2031,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    ConstVariantWithIntegerSelectorFieldClassOption&
+    ConstVariantWithIntegerSelectorFieldClassOption
     operator=(const ConstVariantWithIntegerSelectorFieldClassOption<OtherLibObjT> fc) noexcept
     {
         _ThisBorrowedObject::operator=(fc);
@@ -2070,7 +2043,7 @@ public:
         return ConstVariantFieldClassOption {_Spec::asBaseOption(this->libObjPtr())};
     }
 
-    nonstd::optional<bpstd::string_view> name() const noexcept
+    bt2c::CStringView name() const noexcept
     {
         return this->asBaseOption().name();
     }
@@ -2142,17 +2115,17 @@ private:
     using typename CommonFieldClass<LibObjT>::_ThisCommonFieldClass;
 
 protected:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using _ThisCommonVariantFieldClass = CommonVariantFieldClass<LibObjT>;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonVariantFieldClass<LibObjT>, LibObjT>;
     using Iterator = BorrowedObjectIterator<CommonVariantFieldClass>;
 
     using Option =
         internal::DepType<LibObjT, VariantFieldClassOption, ConstVariantFieldClassOption>;
 
-    explicit CommonVariantFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonVariantFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isVariant());
@@ -2165,7 +2138,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonVariantFieldClass& operator=(const CommonVariantFieldClass<OtherLibObjT> fc) noexcept
+    CommonVariantFieldClass operator=(const CommonVariantFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonFieldClass::operator=(fc);
         return *this;
@@ -2197,21 +2170,10 @@ public:
             this->libObjPtr(), index)};
     }
 
-    nonstd::optional<Option> operator[](const char * const name) const noexcept
-    {
-        const auto libObjPtr =
-            internal::CommonVariantFieldClassSpec<LibObjT>::optionByName(this->libObjPtr(), name);
-
-        if (libObjPtr) {
-            return Option {libObjPtr};
-        }
-
-        return nonstd::nullopt;
-    }
-
-    nonstd::optional<Option> operator[](const std::string& name) const noexcept
+    OptionalBorrowedObject<Option> operator[](const bt2c::CStringView name) const noexcept
     {
-        return (*this)[name.data()];
+        return internal::CommonVariantFieldClassSpec<LibObjT>::optionByName(this->libObjPtr(),
+                                                                            name);
     }
 
     Shared shared() const noexcept
@@ -2248,12 +2210,12 @@ class CommonVariantWithoutSelectorFieldClass : public CommonVariantFieldClass<Li
 {
 private:
     using typename CommonVariantFieldClass<LibObjT>::_ThisCommonVariantFieldClass;
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonVariantWithoutSelectorFieldClass<LibObjT>, LibObjT>;
 
-    explicit CommonVariantWithoutSelectorFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonVariantWithoutSelectorFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonVariantFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isVariantWithoutSelector());
@@ -2267,7 +2229,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonVariantWithoutSelectorFieldClass&
+    CommonVariantWithoutSelectorFieldClass
     operator=(const CommonVariantWithoutSelectorFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonVariantFieldClass::operator=(fc);
@@ -2279,7 +2241,8 @@ public:
         return CommonVariantWithoutSelectorFieldClass<const bt_field_class> {*this};
     }
 
-    void appendOption(const char * const name, const FieldClass fc) const
+    CommonVariantWithoutSelectorFieldClass appendOption(const char * const name,
+                                                        const FieldClass fc) const
     {
         static_assert(!std::is_const<LibObjT>::value,
                       "Not available with `bt2::ConstVariantWithoutSelectorFieldClass`.");
@@ -2291,11 +2254,20 @@ public:
             BT_FIELD_CLASS_VARIANT_WITHOUT_SELECTOR_FIELD_APPEND_OPTION_STATUS_MEMORY_ERROR) {
             throw MemoryError {};
         }
+
+        return *this;
+    }
+
+    CommonVariantWithoutSelectorFieldClass appendOption(const bt2c::CStringView name,
+                                                        const FieldClass fc) const
+    {
+        return this->appendOption(name.data(), fc);
     }
 
-    void appendOption(const nonstd::optional<std::string>& name, const FieldClass fc) const
+    CommonVariantWithoutSelectorFieldClass appendOption(const bt2s::optional<std::string>& name,
+                                                        const FieldClass fc) const
     {
-        this->appendOption(name ? name->data() : nullptr, fc);
+        return this->appendOption(name ? name->data() : nullptr, fc);
     }
 
     Shared shared() const noexcept
@@ -2400,13 +2372,13 @@ private:
     using typename CommonVariantFieldClass<LibObjT>::_ThisCommonVariantFieldClass;
 
 protected:
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
     using _ThisCommonVariantWithSelectorFieldClass = CommonVariantWithSelectorFieldClass<LibObjT>;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<_ThisCommonVariantWithSelectorFieldClass, LibObjT>;
 
-    explicit CommonVariantWithSelectorFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonVariantWithSelectorFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonVariantFieldClass {libObjPtr}
     {
         BT_ASSERT_DBG(this->isVariantWithSelector());
@@ -2420,7 +2392,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonVariantWithSelectorFieldClass&
+    CommonVariantWithSelectorFieldClass
     operator=(const CommonVariantWithSelectorFieldClass<OtherLibObjT> fc) noexcept
     {
         _ThisCommonVariantFieldClass::operator=(fc);
@@ -2456,21 +2428,21 @@ class CommonVariantWithIntegerSelectorFieldClass :
 private:
     using typename CommonVariantWithSelectorFieldClass<
         LibObjT>::_ThisCommonVariantWithSelectorFieldClass;
-    using typename CommonFieldClass<LibObjT>::_LibObjPtr;
 
     using _Spec = internal::CommonVariantWithIntegerSelectorFieldClassSpec<OptionT>;
 
 public:
+    using typename CommonFieldClass<LibObjT>::LibObjPtr;
     using Shared = SharedFieldClass<CommonVariantWithIntegerSelectorFieldClass, LibObjT>;
     using Option = OptionT;
 
     using Iterator =
         BorrowedObjectIterator<CommonVariantWithIntegerSelectorFieldClass<LibObjT, Option>>;
 
-    explicit CommonVariantWithIntegerSelectorFieldClass(const _LibObjPtr libObjPtr) noexcept :
+    explicit CommonVariantWithIntegerSelectorFieldClass(const LibObjPtr libObjPtr) noexcept :
         _ThisCommonVariantWithSelectorFieldClass {libObjPtr}
     {
-        BT_ASSERT_DBG(this->isVariant());
+        BT_ASSERT_DBG(this->isVariantWithIntegerSelector());
     }
 
     template <typename OtherLibObjT>
@@ -2481,7 +2453,7 @@ public:
     }
 
     template <typename OtherLibObjT>
-    CommonVariantWithIntegerSelectorFieldClass&
+    CommonVariantWithIntegerSelectorFieldClass
     operator=(const CommonVariantWithIntegerSelectorFieldClass<OtherLibObjT, OptionT> fc) noexcept
     {
         _ThisCommonVariantWithSelectorFieldClass::operator=(fc);
@@ -2493,24 +2465,14 @@ public:
         return Option {_Spec::optionByIndex(this->libObjPtr(), index)};
     }
 
-    nonstd::optional<Option> operator[](const char * const name) const noexcept
-    {
-        const auto libObjPtr = _Spec::optionByName(this->libObjPtr(), name);
-
-        if (libObjPtr) {
-            return Option {libObjPtr};
-        }
-
-        return nonstd::nullopt;
-    }
-
-    nonstd::optional<Option> operator[](const std::string& name) const noexcept
+    OptionalBorrowedObject<Option> operator[](const bt2c::CStringView name) const noexcept
     {
-        return (*this)[name.data()];
+        return _Spec::optionByName(this->libObjPtr(), name);
     }
 
-    void appendOption(const char * const name, const FieldClass fc,
-                      const typename Option::RangeSet ranges) const
+    CommonVariantWithIntegerSelectorFieldClass
+    appendOption(const char * const name, const FieldClass fc,
+                 const typename Option::RangeSet ranges) const
     {
         static_assert(
             !std::is_const<LibObjT>::value,
@@ -2523,12 +2485,22 @@ public:
             BT_FIELD_CLASS_VARIANT_WITH_SELECTOR_FIELD_APPEND_OPTION_STATUS_MEMORY_ERROR) {
             throw MemoryError {};
         }
+
+        return *this;
+    }
+
+    CommonVariantWithIntegerSelectorFieldClass
+    appendOption(const bt2c::CStringView name, const FieldClass fc,
+                 const typename Option::RangeSet ranges) const
+    {
+        return this->appendOption(name.data(), fc, ranges);
     }
 
-    void appendOption(const nonstd::optional<std::string>& name, const FieldClass fc,
-                      const typename Option::RangeSet ranges) const
+    CommonVariantWithIntegerSelectorFieldClass
+    appendOption(const bt2s::optional<std::string>& name, const FieldClass fc,
+                 const typename Option::RangeSet ranges) const
     {
-        this->appendOption(name ? name->data() : nullptr, fc, ranges);
+        return this->appendOption(name ? name->data() : nullptr, fc, ranges);
     }
 
     Iterator begin() const noexcept
@@ -2603,21 +2575,18 @@ struct TypeDescr<ConstVariantWithSignedIntegerSelectorFieldClass> :
 template <typename LibObjT>
 CommonBitArrayFieldClass<LibObjT> CommonFieldClass<LibObjT>::asBitArray() const noexcept
 {
-    BT_ASSERT_DBG(this->isBitArray());
     return CommonBitArrayFieldClass<LibObjT> {this->libObjPtr()};
 }
 
 template <typename LibObjT>
 CommonIntegerFieldClass<LibObjT> CommonFieldClass<LibObjT>::asInteger() const noexcept
 {
-    BT_ASSERT_DBG(this->isInteger());
     return CommonIntegerFieldClass<LibObjT> {this->libObjPtr()};
 }
 
 template <typename LibObjT>
 CommonBaseEnumerationFieldClass<LibObjT> CommonFieldClass<LibObjT>::asEnumeration() const noexcept
 {
-    BT_ASSERT_DBG(this->isEnumeration());
     return CommonBaseEnumerationFieldClass<LibObjT> {this->libObjPtr()};
 }
 
@@ -2642,21 +2611,18 @@ CommonFieldClass<LibObjT>::asSignedEnumeration() const noexcept
 template <typename LibObjT>
 CommonStructureFieldClass<LibObjT> CommonFieldClass<LibObjT>::asStructure() const noexcept
 {
-    BT_ASSERT_DBG(this->isStructure());
     return CommonStructureFieldClass<LibObjT> {this->libObjPtr()};
 }
 
 template <typename LibObjT>
 CommonArrayFieldClass<LibObjT> CommonFieldClass<LibObjT>::asArray() const noexcept
 {
-    BT_ASSERT_DBG(this->isArray());
     return CommonArrayFieldClass<LibObjT> {this->libObjPtr()};
 }
 
 template <typename LibObjT>
 CommonStaticArrayFieldClass<LibObjT> CommonFieldClass<LibObjT>::asStaticArray() const noexcept
 {
-    BT_ASSERT_DBG(this->isStaticArray());
     return CommonStaticArrayFieldClass<LibObjT> {this->libObjPtr()};
 }
 
@@ -2664,14 +2630,12 @@ template <typename LibObjT>
 CommonDynamicArrayWithLengthFieldClass<LibObjT>
 CommonFieldClass<LibObjT>::asDynamicArrayWithLength() const noexcept
 {
-    BT_ASSERT_DBG(this->isDynamicArrayWithLength());
     return CommonDynamicArrayWithLengthFieldClass<LibObjT> {this->libObjPtr()};
 }
 
 template <typename LibObjT>
 CommonOptionFieldClass<LibObjT> CommonFieldClass<LibObjT>::asOption() const noexcept
 {
-    BT_ASSERT_DBG(this->isOption());
     return CommonOptionFieldClass<LibObjT> {this->libObjPtr()};
 }
 
@@ -2679,7 +2643,6 @@ template <typename LibObjT>
 CommonOptionWithSelectorFieldClass<LibObjT>
 CommonFieldClass<LibObjT>::asOptionWithSelector() const noexcept
 {
-    BT_ASSERT_DBG(this->isOptionWithSelector());
     return CommonOptionWithSelectorFieldClass<LibObjT> {this->libObjPtr()};
 }
 
@@ -2687,7 +2650,6 @@ template <typename LibObjT>
 CommonOptionWithBoolSelectorFieldClass<LibObjT>
 CommonFieldClass<LibObjT>::asOptionWithBoolSelector() const noexcept
 {
-    BT_ASSERT_DBG(this->isOptionWithBoolSelector());
     return CommonOptionWithBoolSelectorFieldClass<LibObjT> {this->libObjPtr()};
 }
 
@@ -2712,7 +2674,6 @@ CommonFieldClass<LibObjT>::asOptionWithSignedIntegerSelector() const noexcept
 template <typename LibObjT>
 CommonVariantFieldClass<LibObjT> CommonFieldClass<LibObjT>::asVariant() const noexcept
 {
-    BT_ASSERT_DBG(this->isVariant());
     return CommonVariantFieldClass<LibObjT> {this->libObjPtr()};
 }
 
@@ -2720,7 +2681,6 @@ template <typename LibObjT>
 CommonVariantWithoutSelectorFieldClass<LibObjT>
 CommonFieldClass<LibObjT>::asVariantWithoutSelector() const noexcept
 {
-    BT_ASSERT_DBG(this->isVariantWithoutSelector());
     return CommonVariantWithoutSelectorFieldClass<LibObjT> {this->libObjPtr()};
 }
 
@@ -2728,7 +2688,6 @@ template <typename LibObjT>
 CommonVariantWithSelectorFieldClass<LibObjT>
 CommonFieldClass<LibObjT>::asVariantWithSelector() const noexcept
 {
-    BT_ASSERT_DBG(this->isVariantWithSelector());
     return CommonVariantWithSelectorFieldClass<LibObjT> {this->libObjPtr()};
 }
 
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