nested_exception Class
The class describes an exception for use with multiple inheritance. It captures the currently handled exception and stores it for later use.
Syntax
class nested_exception {
public:
nested_exception();
nested_exception(const nested_exception&) = default;
virtual ~nested_exception() = default; // access functions
};
Members
Operators
| Name | Description |
|---|---|
| operator= | Assignment operator. |
Functions
| Name | Description |
|---|---|
| rethrow_nested | Throws the stored exception. |
| nested_ptr | Returns the stored exception. |
operator=
nested_exception& operator=(const nested_exception&) = default;
nested_ptr
exception_ptr nested_ptr() const;
Return Value
The stored exception captured by this nested_exception object.
rethrow_nested
[[noreturn]] void rethrow_nested() const;
Remarks
If nested_ptr() returns a null pointer, the function calls std::terminate(). Otherwise, it throws the stored exception captured by *this.
Requirements
Header: <exception>
Namespace: std