Struct yata::methods::Past

pub struct Past<T>(_)
 where
    T: Sized + Copy + Default + Debug;

Moves timeseries by length items forward

It's just a simple method-like wrapper for Window<T>

Parameters

Has a single parameter length: PeriodType

length should be > 0

Input type

Input type is ValueType

Output type

Output type is ValueType

Examples

use yata::prelude::*;
use yata::methods::Past;

// Move of length=3
let mut past = Past::new(3, 1.0);

past.next(1.0);
past.next(2.0);
past.next(3.0);

assert_eq!(past.next(4.0), 1.0);
assert_eq!(past.next(5.0), 2.0);
assert_eq!(past.next(6.0), 3.0);

Perfomance

O(1)

See also

Window<T>

Trait Implementations

impl<T: Clone> Clone for Past<T> where
    T: Sized + Copy + Default + Debug, 

fn clone(&self) -> Past<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for Past<T> where
    T: Sized + Copy + Default + Debug, 

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

Formats the value using the given formatter.

impl<'de, T> Deserialize<'de> for Past<T> where
    T: Sized + Copy + Default + Debug,
    T: Deserialize<'de>, 

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl<T> Method for Past<T> where
    T: Sized + Copy + Default + Debug, 

type Params = PeriodType

Method parameters

type Input = T

Input value type

type Output = T

Output value type

fn new(length: Self::Params, value: Self::Input) -> Self

Static method for creating an instance of the method with given parameters and initial value (simply first input value)

fn next(&mut self, value: T) -> T

Generates next output value based on the given input value

fn name(&self) -> &str

Returns a name of the method

fn memsize(&self) -> (usize, usize) where
    Self: Sized, 

Returns memory size of the method (size, align)

fn iter_data<I>(&mut self, input: I) -> MethodOverIterator<'_, Self, I> where
    I: Iterator<Item = Self::Input>,
    Self: Sized, 

Creates an iterator which produces values by the Method over given input data iterator

fn over<I>(&mut self, sequence: I) -> Sequence<Self::Output> where
    I: Iterator<Item = Self::Input>,
    Self: Sized, 

Iterates the Method over the given Sequence and returns timeserie of output values

impl<T> Serialize for Past<T> where
    T: Sized + Copy + Default + Debug,
    T: Serialize, 

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.