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EpochTime

cbor_core

Struct EpochTime 

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pub struct EpochTime(/* private fields */);
Expand description

Helper for validated epoch time construction.

Wraps a non-negative integer or finite float in the range 0 to 253402300799, as required by the CBOR::Core draft. Implements TryFrom for all integer and float primitives as well as SystemTime, so that Value::epoch_time can accept all of these through a single TryInto<EpochTime> bound.

Whole-second values are stored as integers; sub-second values (from floats or SystemTime with nanoseconds) are stored as floats. Converting to Value produces a tag 1 wrapper.

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impl Clone for EpochTime

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fn clone(&self) -> EpochTime

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for EpochTime

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

Formats the value using the given formatter. Read more
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impl From<EpochTime> for Value

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fn from(value: EpochTime) -> Self

Converts to this type from the input type.
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impl Ord for EpochTime

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fn cmp(&self, other: &EpochTime) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for EpochTime

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for EpochTime

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fn partial_cmp(&self, other: &EpochTime) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<Tz: TimeZone> TryFrom<&DateTime<Tz>> for EpochTime

Available on crate feature chrono only.
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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: &DateTime<Tz>) -> Result<Self>

Performs the conversion.
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impl TryFrom<&OffsetDateTime> for EpochTime

Available on crate feature time only.
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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: &OffsetDateTime) -> Result<Self>

Performs the conversion.
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impl TryFrom<&UtcDateTime> for EpochTime

Available on crate feature time only.
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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: &UtcDateTime) -> Result<Self>

Performs the conversion.
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impl<Tz: TimeZone> TryFrom<DateTime<Tz>> for EpochTime

Available on crate feature chrono only.
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fn try_from(value: DateTime<Tz>) -> Result<Self>

Converts a chrono::DateTime to a CBOR epoch time (tag 1).

Whole-second timestamps are stored as integers; sub-second timestamps are stored as floats.

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type Error = Error

The type returned in the event of a conversion error.
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impl TryFrom<OffsetDateTime> for EpochTime

Available on crate feature time only.
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fn try_from(value: OffsetDateTime) -> Result<Self>

Converts a time::OffsetDateTime to a CBOR epoch time (tag 1).

Whole-second timestamps are stored as integers; sub-second timestamps are stored as floats.

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type Error = Error

The type returned in the event of a conversion error.
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impl TryFrom<SystemTime> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: SystemTime) -> Result<Self>

Performs the conversion.
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impl TryFrom<UtcDateTime> for EpochTime

Available on crate feature time only.
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fn try_from(value: UtcDateTime) -> Result<Self>

Converts a time::UtcDateTime to a CBOR epoch time (tag 1).

Whole-second timestamps are stored as integers; sub-second timestamps are stored as floats.

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type Error = Error

The type returned in the event of a conversion error.
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impl TryFrom<f32> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: f32) -> Result<Self>

Performs the conversion.
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impl TryFrom<f64> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: f64) -> Result<Self>

Performs the conversion.
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impl TryFrom<i128> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: i128) -> Result<Self>

Performs the conversion.
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impl TryFrom<i16> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: i16) -> Result<Self>

Performs the conversion.
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impl TryFrom<i32> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: i32) -> Result<Self>

Performs the conversion.
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impl TryFrom<i64> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: i64) -> Result<Self>

Performs the conversion.
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impl TryFrom<i8> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: i8) -> Result<Self>

Performs the conversion.
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impl TryFrom<isize> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: isize) -> Result<Self>

Performs the conversion.
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impl TryFrom<u128> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: u128) -> Result<Self>

Performs the conversion.
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impl TryFrom<u16> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: u16) -> Result<Self>

Performs the conversion.
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impl TryFrom<u32> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: u32) -> Result<Self>

Performs the conversion.
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impl TryFrom<u64> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: u64) -> Result<Self>

Performs the conversion.
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impl TryFrom<u8> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: u8) -> Result<Self>

Performs the conversion.
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impl TryFrom<usize> for EpochTime

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: usize) -> Result<Self>

Performs the conversion.
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impl Copy for EpochTime

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impl Eq for EpochTime

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impl StructuralPartialEq for EpochTime

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Az for T

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fn az<Dst>(self) -> Dst
where T: Cast<Dst>,

Casts the value.
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<Src, Dst> CastFrom<Src> for Dst
where Src: Cast<Dst>,

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fn cast_from(src: Src) -> Dst

Casts the value.
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impl<T> CheckedAs for T

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fn checked_as<Dst>(self) -> Option<Dst>
where T: CheckedCast<Dst>,

Casts the value.
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impl<Src, Dst> CheckedCastFrom<Src> for Dst
where Src: CheckedCast<Dst>,

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fn checked_cast_from(src: Src) -> Option<Dst>

Casts the value.
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> OverflowingAs for T

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fn overflowing_as<Dst>(self) -> (Dst, bool)
where T: OverflowingCast<Dst>,

Casts the value.
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impl<Src, Dst> OverflowingCastFrom<Src> for Dst
where Src: OverflowingCast<Dst>,

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fn overflowing_cast_from(src: Src) -> (Dst, bool)

Casts the value.
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impl<T> SaturatingAs for T

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fn saturating_as<Dst>(self) -> Dst
where T: SaturatingCast<Dst>,

Casts the value.
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impl<Src, Dst> SaturatingCastFrom<Src> for Dst
where Src: SaturatingCast<Dst>,

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fn saturating_cast_from(src: Src) -> Dst

Casts the value.
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impl<T> StrictAs for T

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fn strict_as<Dst>(self) -> Dst
where T: StrictCast<Dst>,

Casts the value.
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impl<Src, Dst> StrictCastFrom<Src> for Dst
where Src: StrictCast<Dst>,

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fn strict_cast_from(src: Src) -> Dst

Casts the value.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> UnwrappedAs for T

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fn unwrapped_as<Dst>(self) -> Dst
where T: UnwrappedCast<Dst>,

Casts the value.
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impl<Src, Dst> UnwrappedCastFrom<Src> for Dst
where Src: UnwrappedCast<Dst>,

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fn unwrapped_cast_from(src: Src) -> Dst

Casts the value.
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impl<T> WrappingAs for T

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fn wrapping_as<Dst>(self) -> Dst
where T: WrappingCast<Dst>,

Casts the value.
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impl<Src, Dst> WrappingCastFrom<Src> for Dst
where Src: WrappingCast<Dst>,

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fn wrapping_cast_from(src: Src) -> Dst

Casts the value.