pub struct NoContext;Expand description
An empty counter that will always return the value 0.
This type should be used when constructing timestamps for version 7 UUIDs, since they don’t need a counter for uniqueness.
Trait Implementations§
source§impl ClockSequence for NoContext
impl ClockSequence for NoContext
impl Copy for NoContext
Auto Trait Implementations§
impl Freeze for NoContext
impl RefUnwindSafe for NoContext
impl Send for NoContext
impl Sync for NoContext
impl Unpin for NoContext
impl UnwindSafe for NoContext
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> CheckedAs for T
impl<T> CheckedAs for T
source§fn checked_as<Dst>(self) -> Option<Dst>where
T: CheckedCast<Dst>,
fn checked_as<Dst>(self) -> Option<Dst>where
T: CheckedCast<Dst>,
Casts the value.
source§impl<Src, Dst> CheckedCastFrom<Src> for Dstwhere
Src: CheckedCast<Dst>,
impl<Src, Dst> CheckedCastFrom<Src> for Dstwhere
Src: CheckedCast<Dst>,
source§fn checked_cast_from(src: Src) -> Option<Dst>
fn checked_cast_from(src: Src) -> Option<Dst>
Casts the value.
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moresource§impl<Src, Dst> LosslessTryInto<Dst> for Srcwhere
Dst: LosslessTryFrom<Src>,
impl<Src, Dst> LosslessTryInto<Dst> for Srcwhere
Dst: LosslessTryFrom<Src>,
source§fn lossless_try_into(self) -> Option<Dst>
fn lossless_try_into(self) -> Option<Dst>
Performs the conversion.
source§impl<Src, Dst> LossyInto<Dst> for Srcwhere
Dst: LossyFrom<Src>,
impl<Src, Dst> LossyInto<Dst> for Srcwhere
Dst: LossyFrom<Src>,
source§fn lossy_into(self) -> Dst
fn lossy_into(self) -> Dst
Performs the conversion.
source§impl<T> OverflowingAs for T
impl<T> OverflowingAs for T
source§fn overflowing_as<Dst>(self) -> (Dst, bool)where
T: OverflowingCast<Dst>,
fn overflowing_as<Dst>(self) -> (Dst, bool)where
T: OverflowingCast<Dst>,
Casts the value.
source§impl<Src, Dst> OverflowingCastFrom<Src> for Dstwhere
Src: OverflowingCast<Dst>,
impl<Src, Dst> OverflowingCastFrom<Src> for Dstwhere
Src: OverflowingCast<Dst>,
source§fn overflowing_cast_from(src: Src) -> (Dst, bool)
fn overflowing_cast_from(src: Src) -> (Dst, bool)
Casts the value.
source§impl<T> Pointable for T
impl<T> Pointable for T
source§impl<T> SaturatingAs for T
impl<T> SaturatingAs for T
source§fn saturating_as<Dst>(self) -> Dstwhere
T: SaturatingCast<Dst>,
fn saturating_as<Dst>(self) -> Dstwhere
T: SaturatingCast<Dst>,
Casts the value.
source§impl<Src, Dst> SaturatingCastFrom<Src> for Dstwhere
Src: SaturatingCast<Dst>,
impl<Src, Dst> SaturatingCastFrom<Src> for Dstwhere
Src: SaturatingCast<Dst>,
source§fn saturating_cast_from(src: Src) -> Dst
fn saturating_cast_from(src: Src) -> Dst
Casts the value.
source§impl<T> UnwrappedAs for T
impl<T> UnwrappedAs for T
source§fn unwrapped_as<Dst>(self) -> Dstwhere
T: UnwrappedCast<Dst>,
fn unwrapped_as<Dst>(self) -> Dstwhere
T: UnwrappedCast<Dst>,
Casts the value.
source§impl<Src, Dst> UnwrappedCastFrom<Src> for Dstwhere
Src: UnwrappedCast<Dst>,
impl<Src, Dst> UnwrappedCastFrom<Src> for Dstwhere
Src: UnwrappedCast<Dst>,
source§fn unwrapped_cast_from(src: Src) -> Dst
fn unwrapped_cast_from(src: Src) -> Dst
Casts the value.
source§impl<T> WithSubscriber for T
impl<T> WithSubscriber for T
source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
source§fn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
source§impl<T> WrappingAs for T
impl<T> WrappingAs for T
source§fn wrapping_as<Dst>(self) -> Dstwhere
T: WrappingCast<Dst>,
fn wrapping_as<Dst>(self) -> Dstwhere
T: WrappingCast<Dst>,
Casts the value.
source§impl<Src, Dst> WrappingCastFrom<Src> for Dstwhere
Src: WrappingCast<Dst>,
impl<Src, Dst> WrappingCastFrom<Src> for Dstwhere
Src: WrappingCast<Dst>,
source§fn wrapping_cast_from(src: Src) -> Dst
fn wrapping_cast_from(src: Src) -> Dst
Casts the value.