Struct `Empty`

struct Empty

An empty field.

This can be used to indicate that the value of a field is not currently present but will be recorded later.

When a field's value is Empty. it will not be recorded.

Implementations

`impl Debug for Empty`

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

`impl Eq for Empty`

`impl Freeze for Empty`

`impl PartialEq for Empty`

fn eq(self: &Self, other: &Empty) -> bool

`impl RefUnwindSafe for Empty`

`impl Send for Empty`

`impl StructuralPartialEq for Empty`

`impl Sync for Empty`

`impl Unpin for Empty`

`impl UnsafeUnpin for Empty`

`impl UnwindSafe for Empty`

`impl Value for Empty`

fn record(self: &Self, _: &Field, _: &mut dyn Visit)

`impl<T> Any for Empty`

fn type_id(self: &Self) -> TypeId

`impl<T> Borrow for Empty`

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

`impl<T> BorrowMut for Empty`

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

`impl<T> From for Empty`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T, U> Into for Empty`

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 Empty`

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

`impl<T, U> TryInto for Empty`

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