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ExponentialSampler

des_sim::modeling::sampler::instance

Struct ExponentialSampler 

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

A sampler that draws from an exponential distribution with a specified lambda (rate).

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impl ExponentialSampler

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pub fn new(lambda: f64) -> Result<Self, ExpError>

Creates a new ExponentialSampler with the given lambda (rate parameter). Returns an error if the lambda is invalid (e.g., negative or NaN).

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impl Clone for ExponentialSampler

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fn clone(&self) -> ExponentialSampler

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

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

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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 DurationSampler for ExponentialSampler

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fn sample( &mut self, rng: &mut dyn Rng, _current_tick: SimTime, ) -> PendingDuration

Generates a sample given a random number generator and the current simulation time.

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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> 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<S> ClonableDurationSampler for S
where S: DurationSampler + Clone + Send + Sync + 'static,

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fn box_clone(&self) -> Box<dyn ClonableDurationSampler>

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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> CombinatorExt for T
where T: DurationSampler + 'static,

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fn boxed(self) -> Box<dyn DurationSampler>

Boxes the sampler into a Box<dyn DurationSampler> to erase its concrete type.
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fn boxed_clonable(self) -> Box<dyn ClonableDurationSampler>
where Self: Clone + Send + Sync,

Boxes the sampler as a cloneable trait object. Requires the underlying sampler to be Clone, Send, and Sync.
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fn map<F>(self, f: F) -> MapSampler<Self, F>
where F: FnMut(&mut dyn Rng, SimTime, f64) -> f64,

Transforms the output of this sampler using the provided closure f.
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fn delay(self, delay: Box<dyn DurationSampler>) -> DelaySampler<Self>

Adds a delay to the result of this sampler using another sampler for the duration.
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fn jitter(self, jitter: Box<dyn DurationSampler>) -> JitterSampler<Self>

Adds a jitter (noise) to the result of this sampler using another sampler for the variation.
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fn chain<F>( self, sampler: Box<dyn DurationSampler>, f: F, ) -> ChainSampler<Self, F>
where F: FnMut(&mut dyn Rng, SimTime, f64, f64) -> f64,

Chains this sampler with another, combining their outputs using the provided closure f.
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fn aggregate<F>( self, others: impl IntoIterator<Item = Box<dyn DurationSampler>>, f: F, ) -> AggregateSampler<F>
where F: FnMut(&mut dyn Rng, SimTime, Vec<f64>) -> f64,

Aggregates the results of this sampler and a collection of others into a single value using the provided closure f.
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fn aggregate_builder(self) -> AggregateBuilder

Returns an AggregateBuilder initialized with this sampler, allowing for a more flexible construction of aggregate samplers.
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fn clamp(self, min: f64, max: f64) -> ClampSampler<Self>

Clamps the output of this sampler within the range [min, max].
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fn ensure_non_negative<F>( self, limit_try_count: u8, fallback: F, ) -> EnsureNonNegativeSampler<Self, F>
where F: FnMut(&mut dyn Rng, SimTime) -> Duration,

Ensures the sampled duration is non-negative. 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> IntoEither for T

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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 more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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 more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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.