# Type Alias style::values::specified::position::ZIndex

``pub type ZIndex = ZIndex<Integer>;``
Expand description

A specified value for the `z-index` property.

## Aliased Type§

``````enum ZIndex {
Integer(Integer),
Auto,
}``````

## Variants§

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### Integer(Integer)

An integer value.

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### Auto

The keyword `auto`.

## Implementations§

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### impl<Integer> ZIndex<Integer>

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#### pub fn auto() -> Self

Returns `auto`

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#### pub fn is_auto(self) -> bool

Returns whether `self` is `auto`.

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#### pub fn integer_or(self, auto: Integer) -> Integer

Returns the integer value if it is an integer, or `auto`.

## Trait Implementations§

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### impl<I> Animate for GenericZIndex<I>where I: Animate,

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#### fn animate(&self, other: &Self, procedure: Procedure) -> Result<Self, ()>

Animate a value towards another one, given an animation procedure.
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### impl<I: Clone> Clone for GenericZIndex<I>

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#### fn clone(&self) -> GenericZIndex<I>

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<I> ComputeSquaredDistance for GenericZIndex<I>where I: ComputeSquaredDistance,

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#### fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()>

Computes the squared distance between two animatable values.
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### impl<I: Debug> Debug for GenericZIndex<I>

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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<I> MallocSizeOf for GenericZIndex<I>where I: 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<I> Parse for GenericZIndex<I>where I: Parse,

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#### fn parse<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't> ) -> Result<Self, ParseError<'i>>

Parse a value of this type. Read more
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### impl<I: PartialEq> PartialEq<GenericZIndex<I>> for GenericZIndex<I>

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#### fn eq(&self, other: &GenericZIndex<I>) -> 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<I> SpecifiedValueInfo for GenericZIndex<I>where I: SpecifiedValueInfo,

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#### const SUPPORTED_TYPES: u8 = _

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<I> ToAnimatedZero for GenericZIndex<I>where I: ToAnimatedZero,

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#### fn to_animated_zero(&self) -> Result<Self, ()>

Returns a value that, when added with an underlying value, will produce the underlying value. This is used for SMIL animation’s “by-animation” where SMIL first interpolates from the zero value to the ‘by’ value, and then adds the result to the underlying value. Read more
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### impl<I> ToComputedValue for GenericZIndex<I>where I: ToComputedValue,

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#### type ComputedValue = GenericZIndex<<I as ToComputedValue>::ComputedValue>

The computed value type we’re going to be converted to.
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#### fn from_computed_value(from: &Self::ComputedValue) -> Self

Convert a computed value to specified value form. Read more
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#### fn to_computed_value(&self, context: &Context<'_>) -> Self::ComputedValue

Convert a specified value to a computed value, using itself and the data inside the `Context`.
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### impl<I> ToCss for GenericZIndex<I>where I: 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<I> ToResolvedValue for GenericZIndex<I>where I: ToResolvedValue,

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#### type ResolvedValue = GenericZIndex<<I as ToResolvedValue>::ResolvedValue>

The resolved value type we’re going to be converted to.
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#### fn from_resolved_value(from: Self::ResolvedValue) -> Self

Convert a resolved value to resolved value form.
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#### fn to_resolved_value(self, context: &Context<'_>) -> Self::ResolvedValue

Convert a resolved value to a resolved value.
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### impl<I> ToShmem for GenericZIndex<I>where I: 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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