#[repr(u8)]
pub enum CalcLengthPercentageLeaf { Length(Length), Percentage(Percentage), Number(f32), }
Expand description

The leaves of a <length-percentage> calc expression.

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Length(Length)

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Percentage(Percentage)

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Number(f32)

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Trait Implementations§

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impl CalcNodeLeaf for CalcLengthPercentageLeaf

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fn unit(&self) -> CalcUnits

Returns the unit of the leaf.
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fn unitless_value(&self) -> Option<f32>

Returns the unitless value of this leaf if one is available.
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fn new_number(value: f32) -> Self

Create a new leaf with a number value.
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fn as_number(&self) -> Option<f32>

Returns a float value if the leaf is a number.
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fn compare( &self, other: &Self, basis: PositivePercentageBasis, ) -> Option<Ordering>

Do a partial comparison of these values.
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fn try_sum_in_place(&mut self, other: &Self) -> Result<(), ()>

Tries to merge one leaf into another using the sum, that is, perform x + y.
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fn try_product_in_place(&mut self, other: &mut Self) -> bool

Try to merge the right leaf into the left by using a multiplication. Return true if the merge was successful, otherwise false.
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fn try_op<O>(&self, other: &Self, op: O) -> Result<Self, ()>
where O: Fn(f32, f32) -> f32,

Tries a generic arithmetic operation.
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fn map(&mut self, op: impl FnMut(f32) -> f32) -> Result<(), ()>

Map the value of this node with the given operation.
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fn simplify(&mut self)

Canonicalizes the expression if necessary.
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fn sort_key(&self) -> SortKey

Returns the sort key for simplification.
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fn is_same_unit_as(&self, other: &Self) -> bool

Return true if the units of both leaves are equal. (NOTE: Does not take the values into account)
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fn gt(&self, other: &Self, basis_positive: PositivePercentageBasis) -> bool

Return whether a leaf is greater than another.
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fn lt(&self, other: &Self, basis_positive: PositivePercentageBasis) -> bool

Return whether a leaf is less than another.
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fn lte(&self, other: &Self, basis_positive: PositivePercentageBasis) -> bool

Return whether a leaf is smaller or equal than another.
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fn is_negative(&self) -> Result<bool, ()>

Whether this value is known-negative.
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fn is_infinite(&self) -> Result<bool, ()>

Whether this value is infinite.
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fn is_zero(&self) -> Result<bool, ()>

Whether this value is zero.
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fn is_nan(&self) -> Result<bool, ()>

Whether this value is NaN.
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fn sign_from(leaf: &impl CalcNodeLeaf) -> Result<Self, ()>

Create a new leaf containing the sign() result of the given leaf.
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impl Clone for CalcLengthPercentageLeaf

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fn clone(&self) -> CalcLengthPercentageLeaf

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 Debug for CalcLengthPercentageLeaf

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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> Deserialize<'de> for CalcLengthPercentageLeaf

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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 MallocSizeOf for CalcLengthPercentageLeaf

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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 PartialEq for CalcLengthPercentageLeaf

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fn eq(&self, other: &CalcLengthPercentageLeaf) -> 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 Serialize for CalcLengthPercentageLeaf

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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 ToAnimatedZero for CalcLengthPercentageLeaf

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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 ToCss for CalcLengthPercentageLeaf

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fn to_css<W>(&self, dest: &mut CssWriter<'_, W>) -> Result
where 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 CalcLengthPercentageLeaf
where Length: ToResolvedValue<ResolvedValue = Length>, Percentage: ToResolvedValue<ResolvedValue = Percentage>, f32: ToResolvedValue<ResolvedValue = f32>,

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type ResolvedValue = CalcLengthPercentageLeaf

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 StructuralPartialEq for CalcLengthPercentageLeaf

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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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
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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
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impl<T> MaybeBoxed<Box<T>> for T

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fn maybe_boxed(self) -> Box<T>

Convert
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impl<T> MaybeBoxed<T> for T

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fn maybe_boxed(self) -> T

Convert
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T