Struct uuid::timestamp::context::Context

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pub struct Context { /* private fields */ }
Expand description

A thread-safe, wrapping counter that produces 14-bit numbers.

This type should be used when constructing version 1 and version 6 UUIDs.

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impl Context

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pub const fn new(count: u16) -> Self

Construct a new context that’s initialized with the given value.

The starting value should be a random number, so that UUIDs from different systems with the same timestamps are less likely to collide. When the rng feature is enabled, prefer the Context::new_random method.

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pub fn new_random() -> Self

Construct a new context that’s initialized with a random value.

Trait Implementations§

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impl ClockSequence for Context

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type Output = u16

The type of sequence returned by this counter.
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fn generate_sequence(&self, _seconds: u64, _nanos: u32) -> Self::Output

Get the next value in the sequence to feed into a timestamp. Read more
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impl Debug for Context

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere
    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> Borrow<T> for Twhere
    T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

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

const: unstable · source§

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source§

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> Same<T> for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for Twhere
    U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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 Twhere
    U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
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impl<T> SendSyncUnwindSafe for Twhere
    T: Send + Sync + UnwindSafe + ?Sized,