cf::bad_expected_access

Exception thrown when accessing the value of an expected that contains an error. More...

#include <expected.hpp>

Public Functions

	Name
	bad_expected_access(E e) Constructs the exception with an error value.
constE &	error() const Returns a const reference to the stored error.
E &	error() Returns a reference to the stored error.
constE &&	error() const Returns a const rvalue reference to the stored error.
E &&	error() Returns an rvalue reference to the stored error.

Detailed Description

template <typenameE >
class cf::bad_expected_access;

Exception thrown when accessing the value of an expected that contains an error.

Template Parameters:

• E Error type stored in the expected.

Exception thrown when accessing the value of an expected in error state.

Public Functions Documentation

function bad_expected_access

inline explicit bad_expected_access(
    E e
)

Constructs the exception with an error value.

Parameters:

• e Error value to store.

function error

inline constE & error() const

Returns a const reference to the stored error.

Exceptions:

• None.

Return: Const reference to the error.

function error

inline E & error()

Returns a reference to the stored error.

Exceptions:

• None.

Return: Reference to the error.

function error

inline constE && error() const

Returns a const rvalue reference to the stored error.

Exceptions:

• None.

Return: Const rvalue reference to the error.

function error

inline E && error()

Returns an rvalue reference to the stored error.

Exceptions:

• None.

Return: Rvalue reference to the error.

---

Updated on 2026-03-09 at 10:14:00 +0000