System::ObjectExt::Is method

ObjectExt::Is(const char16_t *) method

Implements ‘is’ operator translation. Specialization for string literal.

template<class T> static bool System::ObjectExt::Is(const char16_t *str)

Parameter	Description
T	Target type.

Parameter	Type	Description
str	const char16_t *	String literal.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const ExceptionWrapper<U>&) method

Implements ‘is’ operator translation. Specialization for exception wrapper types.

template<class T,class U> static std::enable_if<IsExceptionWrapper<T>::value, bool>::type System::ObjectExt::Is(const ExceptionWrapper<U> &obj)

Parameter	Description
T	Target type.

Parameter	Type	Description
obj	const ExceptionWrapper<U>&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class ExceptionWrapper
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const Nullable<U>&) method

Implements ‘is’ operator translation. Specialization for Nullable type.

template<class T,class U> static bool System::ObjectExt::Is(const Nullable<U> &value)

Parameter	Description
T	Target type.

Parameter	Type	Description
value	const Nullable<U>&	Nullable type.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class Nullable
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const Object&) method

Implements ‘is’ operator translation. Specialization for value types.

template<class T> static std::enable_if<std::is_convertible<T, Object>::value, bool>::type System::ObjectExt::Is(const Object &obj)

Parameter	Description
T	Target type.

Parameter	Type	Description
obj	const Object&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class Object
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const Object&) method

Implements ‘is’ operator translation. Specialization for unconvertible types.

template<class T> static std::enable_if<!std::is_convertible<T, Object>::value, bool>::type System::ObjectExt::Is(const Object &obj)

Parameter	Description
T	Target type.

Parameter	Type	Description
obj	const Object&	Object to test for ‘is’ operator.

ReturnValue

Always returns false as types are unconvertible.

See Also

• Class Object
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const SmartPtr<Object>&) method

Implements ‘is’ operator translation. Specialization for nullable types.

template<class T> static std::enable_if<IsNullable<T>::value, bool>::type System::ObjectExt::Is(const SmartPtr<Object> &obj)

Parameter	Description
T	Target type.

Parameter	Type	Description
obj	const SmartPtr<Object>&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class SmartPtr
• Class Object
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const SmartPtr<Object>&) method

Implements ‘is’ operator translation. Specialization for boxable types with == operator defined.

template<class T> static std::enable_if<System::IsBoxable<T>::value &&!IsNullable<T>::value &&!std::is_enum<T>::value &&detail::has_operator_equal<T>::value, bool>::type System::ObjectExt::Is(const SmartPtr<Object> &obj)

Parameter	Description
T	Target type.

Parameter	Type	Description
obj	const SmartPtr<Object>&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class SmartPtr
• Class Object
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const SmartPtr<Object>&) method

Implements ‘is’ operator translation. Specialization for boxable types without defined ==.

template<class T> static std::enable_if<System::IsBoxable<T>::value &&!IsNullable<T>::value &&!std::is_enum<T>::value &&!detail::has_operator_equal<T>::value, bool>::type System::ObjectExt::Is(const SmartPtr<Object> &obj)

Parameter	Description
T	Target type.

Parameter	Type	Description
obj	const SmartPtr<Object>&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class SmartPtr
• Class Object
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const SmartPtr<U>&) method

Implements ‘is’ operator translation. Specialization for pointer types.

template<class T,class U> static std::enable_if<IsSmartPtr<T>::value, bool>::type System::ObjectExt::Is(const SmartPtr<U> &obj)

Parameter	Description
T	Target type.

Parameter	Type	Description
obj	const SmartPtr<U>&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class SmartPtr
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const SmartPtr<U>&) method

Implements ‘is’ operator translation. Specialization for enum types.

template<class T,class U> static std::enable_if<std::is_enum<T>::value, bool>::type System::ObjectExt::Is(const SmartPtr<U> &obj)

Parameter	Description
T	Target type.
U	Type of the pointed object.

Parameter	Type	Description
obj	const SmartPtr<U>&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class SmartPtr
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const U&) method

Implements ‘is’ operator translation. Specialization for pointer types optimized for ‘final’ classes.

template<class T,class U> static std::enable_if<std::is_convertible<T, Object>::value &&std::is_final<T>::value &&!System::IsBoxable<T>::value &&System::IsSmartPtr<U>::value, bool>::type System::ObjectExt::Is(const U &obj)

Parameter	Description
T	Target type.
U	Tested type.

Parameter	Type	Description
obj	const U&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class Object
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const U&) method

Implements ‘is’ operator translation. Specialization for pointer types.

template<class T,class U> static std::enable_if<std::is_convertible<T, Object>::value &&!std::is_final<T>::value &&!System::IsBoxable<T>::value &&System::IsSmartPtr<U>::value, bool>::type System::ObjectExt::Is(const U &obj)

Parameter	Description
T	Target type.
U	Tested type.

Parameter	Type	Description
obj	const U&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class Object
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(const WeakPtr<U>&) method

Implements ‘is’ operator translation. Specialization for enum types vs weak pointers.

template<class T,class U> static std::enable_if<std::is_enum<T>::value, bool>::type System::ObjectExt::Is(const WeakPtr<U> &obj)

Parameter	Description
T	Target type.
U	Type of the pointed object.

Parameter	Type	Description
obj	const WeakPtr<U>&	Object to test for ‘is’ operator.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class WeakPtr
• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++

ObjectExt::Is(int32_t) method

Implements ‘is’ operator translation. Specialization for integer literal.

template<class T> static bool System::ObjectExt::Is(int32_t value)

Parameter	Description
T	Target type.

Parameter	Type	Description
value	int32_t	integer literal.

ReturnValue

True if ‘is’ returns true, false otherwise.

See Also

• Class ObjectExt
• Namespace System
• Library Aspose.PDF for C++