Skip to main content

DemaRef

finance_query::backtesting::refs

Struct DemaRef

pub struct DemaRef(pub usize);

Expand description

Double Exponential Moving Average reference.

Tuple Fields§

§0: usize

Trait Implementations§

impl Clone for DemaRef

fn clone(&self) -> DemaRef

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for DemaRef

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

Formats the value using the given formatter. Read more

impl IndicatorRef for DemaRef

fn key(&self) -> String

Unique key for storing computed values in the context. Read more

fn required_indicators(&self) -> Vec<(String, Indicator)>

Required indicators to compute this reference. Read more

fn value(&self, ctx: &StrategyContext<'_>) -> Option<f64>

Get the value at current candle index from context.

fn prev_value(&self, ctx: &StrategyContext<'_>) -> Option<f64>

Get the value at the previous candle index.

impl Copy for DemaRef

Auto Trait Implementations§

impl Freeze for DemaRef

impl RefUnwindSafe for DemaRef

impl Send for DemaRef

impl Sync for DemaRef

impl Unpin for DemaRef

impl UnsafeUnpin for DemaRef

impl UnwindSafe for DemaRef

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

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

impl<T> DynClone for T
where T: Clone,

fn __clone_box(&self, _: Private) -> *mut ()

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> IndicatorRefExt for T
where T: IndicatorRef,

fn above(self, threshold: f64) -> Above<Self>

Create a condition that checks if this indicator is above a threshold. Read more

fn above_ref<R: IndicatorRef>(self, other: R) -> AboveRef<Self, R>

Create a condition that checks if this indicator is above another indicator. Read more

fn below(self, threshold: f64) -> Below<Self>

Create a condition that checks if this indicator is below a threshold. Read more

fn below_ref<R: IndicatorRef>(self, other: R) -> BelowRef<Self, R>

Create a condition that checks if this indicator is below another indicator. Read more

fn crosses_above(self, threshold: f64) -> CrossesAbove<Self>

Create a condition that checks if this indicator crosses above a threshold. Read more

fn crosses_above_ref<R: IndicatorRef>( self, other: R, ) -> CrossesAboveRef<Self, R>

Create a condition that checks if this indicator crosses above another indicator. Read more

fn crosses_below(self, threshold: f64) -> CrossesBelow<Self>

Create a condition that checks if this indicator crosses below a threshold. Read more

fn crosses_below_ref<R: IndicatorRef>( self, other: R, ) -> CrossesBelowRef<Self, R>

Create a condition that checks if this indicator crosses below another indicator. Read more

fn between(self, low: f64, high: f64) -> Between<Self>

Create a condition that checks if this indicator is between two thresholds. Read more

fn equals(self, value: f64, tolerance: f64) -> Equals<Self>

Create a condition that checks if this indicator equals a value (within tolerance). Read more

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

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

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

impl<T> Key for T
where T: Clone,

fn align() -> usize

The alignment necessary for the key. Must return a power of two.

fn size(&self) -> usize

The size of the key in bytes.

unsafe fn init(&self, ptr: *mut u8)

Initialize the key in the given memory location. Read more

unsafe fn get<'a>(ptr: *const u8) -> &'a T

Get a reference to the key from the given memory location. Read more

unsafe fn drop_in_place(ptr: *mut u8)

Drop the key in place. Read more

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

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

impl<T> PolicyExt for T
where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> PlanCallbackArgs for T

impl<T> PlanCallbackOut for T