Enum SetError

enum SetError<T>

Errors that can be returned from OnceCell::set.

Variants

AlreadyInitializedError(T)

The cell was already initialized when OnceCell::set was called.

InitializingError(T)

The cell is currently being initialized.

Implementations

impl<T> SetError<T>

fn is_already_init_err(self: &Self) -> bool

Whether SetError is SetError::AlreadyInitializedError.

fn is_initializing_err(self: &Self) -> bool

Whether SetError is SetError::InitializingError

impl<T> Any for SetError<T>

fn type_id(self: &Self) -> TypeId

impl<T> Borrow for SetError<T>

fn borrow(self: &Self) -> &T

impl<T> BorrowMut for SetError<T>

fn borrow_mut(self: &mut Self) -> &mut T

impl<T> Display for SetError<T>

fn fmt(self: &Self, f: &mut Formatter<'_>) -> Result

impl<T> Freeze for SetError<T>

impl<T> From for SetError<T>

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> RefUnwindSafe for SetError<T>

impl<T> Send for SetError<T>

impl<T> StructuralPartialEq for SetError<T>

impl<T> Sync for SetError<T>

impl<T> ToString for SetError<T>

fn to_string(self: &Self) -> String

impl<T> Unpin for SetError<T>

impl<T> UnsafeUnpin for SetError<T>

impl<T> UnwindSafe for SetError<T>

impl<T, U> Into for SetError<T>

fn into(self: Self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

impl<T, U> TryFrom for SetError<T>

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto for SetError<T>

fn try_into(self: Self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T: $crate::cmp::Eq> Eq for SetError<T>

impl<T: $crate::cmp::PartialEq> PartialEq for SetError<T>

fn eq(self: &Self, other: &SetError<T>) -> bool

impl<T: $crate::fmt::Debug> Debug for SetError<T>

fn fmt(self: &Self, f: &mut Formatter<'_>) -> Result

impl<T: fmt::Debug> Error for SetError<T>