# Type Alias style::values::computed::easing::TimingFunction

``pub type TimingFunction = ComputedTimingFunction;``
Expand description

An alias of the computed timing function.

## Aliased Type§

``````enum TimingFunction {
Keyword(TimingKeyword),
CubicBezier {
x1: f32,
y1: f32,
x2: f32,
y2: f32,
},
Steps(i32, StepPosition),
LinearFunction(PiecewiseLinearFunction),
}``````

## Variants§

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### Keyword(TimingKeyword)

`linear | ease | ease-in | ease-out | ease-in-out`

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### CubicBezier

#### Fields

§`x1: f32`
§`y1: f32`
§`x2: f32`
§`y2: f32`

`cubic-bezier(<number>, <number>, <number>, <number>)`

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### Steps(i32, StepPosition)

`step-start | step-end | steps(<integer>, [ <step-position> ]?)` `<step-position> = jump-start | jump-end | jump-none | jump-both | start | end`

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### LinearFunction(PiecewiseLinearFunction)

linear([]#) = && ? = {1, 2}

## Implementations§

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### impl TimingFunction<i32, f32, PiecewiseLinearFunction>

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#### pub fn calculate_output( &self, progress: f64, before_flag: BeforeFlag, epsilon: f64 ) -> f64

The output of the timing function given the progress ratio of this animation.

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### impl<Integer, Number, LinearStops> TimingFunction<Integer, Number, LinearStops>

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`ease`

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#### pub fn is_ease(&self) -> bool

Returns true if it is `ease`.

## Trait Implementations§

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### impl<Integer: Clone, Number: Clone, LinearStops: Clone> Clone for TimingFunction<Integer, Number, LinearStops>

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#### fn clone(&self) -> TimingFunction<Integer, Number, LinearStops>

Returns a copy 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<Integer: Debug, Number: Debug, LinearStops: Debug> Debug for TimingFunction<Integer, Number, LinearStops>

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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<'de, Integer, Number, LinearStops> Deserialize<'de> for TimingFunction<Integer, Number, LinearStops>where Integer: Deserialize<'de>, Number: Deserialize<'de>, LinearStops: Deserialize<'de>,

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

Deserialize this value from the given Serde deserializer. Read more
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### impl<Integer, Number, LinearStops> MallocSizeOf for TimingFunction<Integer, Number, LinearStops>where Integer: MallocSizeOf, Number: MallocSizeOf, LinearStops: MallocSizeOf,

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#### fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.
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### impl<Integer: PartialEq, Number: PartialEq, LinearStops: PartialEq> PartialEq<TimingFunction<Integer, Number, LinearStops>> for TimingFunction<Integer, Number, LinearStops>

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#### fn eq(&self, other: &TimingFunction<Integer, Number, LinearStops>) -> bool

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

This method tests for `!=`. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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### impl<Integer, Number, LinearStops> Serialize for TimingFunction<Integer, Number, LinearStops>where Integer: Serialize, Number: Serialize, LinearStops: Serialize,

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

Serialize this value into the given Serde serializer. Read more
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### impl<Integer, Number, LinearStops> SpecifiedValueInfo for TimingFunction<Integer, Number, LinearStops>where Integer: SpecifiedValueInfo, Number: SpecifiedValueInfo, LinearStops: SpecifiedValueInfo,

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#### const SUPPORTED_TYPES: u8 = 4u8

Supported CssTypes by the given value type. Read more
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#### fn collect_completion_keywords(_f: &mut dyn FnMut(&[&'static str]))

Collect value starting words for the given specified value type. This includes keyword and function names which can appear at the beginning of a value of this type. Read more
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### impl<Integer, Number, LinearStops> ToCss for TimingFunction<Integer, Number, LinearStops>where Integer: ToCss, Number: ToCss, LinearStops: ToCss,

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#### fn to_css<W>(&self, dest: &mut CssWriter<'_, W>) -> Resultwhere W: Write,

Serialize `self` in CSS syntax, writing to `dest`.
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#### fn to_css_string(&self) -> String

Serialize `self` in CSS syntax and return a string. Read more
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### impl ToResolvedValue for TimingFunction

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#### type ResolvedValue = TimingFunction<i32, f32, PiecewiseLinearFunction>

The resolved value type we’re going to be converted to.
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#### fn to_resolved_value(self, _: &Context<'_>) -> Self

Convert a resolved value to a resolved value.
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#### fn from_resolved_value(resolved: Self::ResolvedValue) -> Self

Convert a resolved value to resolved value form.
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### impl<Integer, Number, LinearStops> ToShmem for TimingFunction<Integer, Number, LinearStops>where Integer: ToShmem, Number: ToShmem, LinearStops: ToShmem,

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#### fn to_shmem(&self, builder: &mut SharedMemoryBuilder) -> Result<Self>

Clones this value into a form suitable for writing into a SharedMemoryBuilder. Read more
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