Enum RandomKey 

#[repr(u8)]
pub enum RandomKey {
    Fixed(Number),
    CacheKey(RandomCacheKey),
}

A that specifies how to compute the random base value for a random function. Note that the auto value is not modeled as it is immediately converted to the element-scoped property-index-scoped cache key format during parsing.

https://drafts.csswg.org/css-values-5/#typedef-random-key

Variants

Fixed(Number)

A used directly as the random base value. TODO(bug 2071971): This is broken if it manages to get into a computed node. Refactor this away altogether.

CacheKey(RandomCacheKey)

A used to generate the random base value.

Implementations

impl RandomKey

pub fn auto(context: &ParserContext<'_>) -> Result<Self, ParseError>

The result of the auto value (the default value of an omitted <random-key>), which is equivalent to specifying element-scoped property-index-scoped.

Trait Implementations

impl Clone for RandomKey

fn clone(&self) -> RandomKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RandomKey

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

Formats the value using the given formatter.

impl MallocSizeOf for RandomKey

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.

impl Parse for RandomKey

fn parse( context: &ParserContext<'_>, input: &mut Parser<'_>, ) -> Result<Self, ParseError>

Parse a value of this type.

impl PartialEq for RandomKey

fn eq(&self, other: &RandomKey) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl ToComputedValue for RandomKey

type ComputedValue = f32

The computed value type we’re going to be converted to.

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.

fn from_computed_value(computed: &Self::ComputedValue) -> Self

Convert a computed value to specified value form.

impl ToCss for RandomKey

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

where W: Write,

Serialize self in CSS syntax, writing to dest.

fn to_css_string(&self) -> String

Serialize self in CSS syntax and return a string.

fn to_css_cssstring(&self) -> String

Serialize self in CSS syntax and return a CssString.

impl ToShmem for RandomKey

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

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

impl StructuralPartialEq for RandomKey