[−][src]Struct ensure::Absent
Marks External
object as something that does not exist.
Trait Implementations
impl<T> ExternalState<T> for Absent<T> where
T: External,
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T: External,
fn invalidate_state(self) -> T
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impl<T> Ord for Absent<T> where
T: External + Ord,
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T: External + Ord,
fn cmp(&self, other: &Self) -> Ordering
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fn max(self, other: Self) -> Self
1.21.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
Compares and returns the minimum of two values. Read more
fn clamp(self, min: Self, max: Self) -> Self
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🔬 This is a nightly-only experimental API. (
clamp
)Restrict a value to a certain interval. Read more
impl<T> PartialOrd<Absent<T>> for Absent<T> where
T: External + PartialOrd,
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T: External + PartialOrd,
fn partial_cmp(&self, other: &Self) -> Option<Ordering>
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#[must_use]
fn lt(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests less than (for self
and other
) and is used by the <
operator. Read more
#[must_use]
fn le(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
#[must_use]
fn gt(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
#[must_use]
fn ge(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl<T> PartialEq<Absent<T>> for Absent<T> where
T: External + PartialEq,
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T: External + PartialEq,
fn eq(&self, other: &Self) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl<T> Eq for Absent<T> where
T: External + Eq,
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T: External + Eq,
impl<T> Debug for Absent<T> where
T: External + Debug,
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T: External + Debug,
impl<T> Deref for Absent<T> where
T: External,
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T: External,
Auto Trait Implementations
impl<T> Send for Absent<T> where
T: Send,
T: Send,
impl<T> Unpin for Absent<T> where
T: Unpin,
T: Unpin,
impl<T> Sync for Absent<T> where
T: Sync,
T: Sync,
impl<T> RefUnwindSafe for Absent<T> where
T: RefUnwindSafe,
T: RefUnwindSafe,
impl<T> UnwindSafe for Absent<T> where
T: UnwindSafe,
T: UnwindSafe,
Blanket Implementations
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,