Struct style::invalidation::element::restyle_hints::RestyleHint

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#[repr(C)]
pub struct RestyleHint(<RestyleHint as PublicFlags>::Internal);
Expand description

The kind of restyle we need to do for a given element.

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§0: <RestyleHint as PublicFlags>::Internal

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impl RestyleHint

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pub const RESTYLE_SELF: Self = _

Do a selector match of the element.

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pub const RESTYLE_PSEUDOS: Self = _

Do a selector match of the element’s pseudo-elements. Always to be combined with RESTYLE_SELF.

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pub const RESTYLE_SELF_IF_PSEUDO: Self = _

Do a selector match if the element is a pseudo-element.

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pub const RESTYLE_DESCENDANTS: Self = _

Do a selector match of the element’s descendants.

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pub const RECASCADE_SELF: Self = _

Recascade the current element.

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pub const RECASCADE_SELF_IF_INHERIT_RESET_STYLE: Self = _

Recascade the current element if it inherits any reset style.

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pub const RECASCADE_DESCENDANTS: Self = _

Recascade all descendant elements.

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pub const RESTYLE_CSS_TRANSITIONS: Self = _

Replace the style data coming from CSS transitions without updating any other style data. This hint is only processed in animation-only traversal which is prior to normal traversal.

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pub const RESTYLE_CSS_ANIMATIONS: Self = _

Replace the style data coming from CSS animations without updating any other style data. This hint is only processed in animation-only traversal which is prior to normal traversal.

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pub const RESTYLE_STYLE_ATTRIBUTE: Self = _

Don’t re-run selector-matching on the element, only the style attribute has changed, and this change didn’t have any other dependencies.

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pub const RESTYLE_SMIL: Self = _

Replace the style data coming from SMIL animations without updating any other style data. This hint is only processed in animation-only traversal which is prior to normal traversal.

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impl RestyleHint

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pub const fn empty() -> Self

Get a flags value with all bits unset.

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pub const fn all() -> Self

Get a flags value with all known bits set.

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pub const fn bits(&self) -> u16

Get the underlying bits value.

The returned value is exactly the bits set in this flags value.

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pub const fn from_bits(bits: u16) -> Option<Self>

Convert from a bits value.

This method will return None if any unknown bits are set.

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pub const fn from_bits_truncate(bits: u16) -> Self

Convert from a bits value, unsetting any unknown bits.

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pub const fn from_bits_retain(bits: u16) -> Self

Convert from a bits value exactly.

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pub fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

This method will return None if name is empty or doesn’t correspond to any named flag.

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pub const fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

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pub const fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

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pub const fn intersects(&self, other: Self) -> bool

Whether any set bits in a source flags value are also set in a target flags value.

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pub const fn contains(&self, other: Self) -> bool

Whether all set bits in a source flags value are also set in a target flags value.

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pub fn insert(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

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pub fn remove(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. remove won’t truncate other, but the ! operator will.

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pub fn toggle(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

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pub fn set(&mut self, other: Self, value: bool)

Call insert when value is true or remove when value is false.

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pub const fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

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pub const fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

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pub const fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

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pub const fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

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pub const fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

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impl RestyleHint

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pub const fn iter(&self) -> Iter<RestyleHint>

Yield a set of contained flags values.

Each yielded flags value will correspond to a defined named flag. Any unknown bits will be yielded together as a final flags value.

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pub const fn iter_names(&self) -> IterNames<RestyleHint>

Yield a set of contained named flags values.

This method is like iter, except only yields bits in contained named flags. Any unknown bits, or bits not corresponding to a contained flag will not be yielded.

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impl RestyleHint

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pub fn restyle_subtree() -> Self

Creates a new RestyleHint indicating that the current element and all its descendants must be fully restyled.

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pub fn recascade_subtree() -> Self

Creates a new RestyleHint indicating that the current element and all its descendants must be recascaded.

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pub fn contains_subtree(&self) -> bool

Returns whether this hint invalidates the element and all its descendants.

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pub fn will_recascade_subtree(&self) -> bool

Returns whether we’ll recascade all of the descendants.

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pub fn has_non_animation_invalidations(&self) -> bool

Returns whether we need to restyle this element.

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pub fn propagate(&mut self, traversal_flags: &TraversalFlags) -> Self

Propagates this restyle hint to a child element.

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fn propagate_for_non_animation_restyle(&self) -> Self

Returns a new RestyleHint appropriate for children of the current element.

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pub fn replacements() -> Self

Returns a hint that contains all the replacement hints.

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pub fn for_animations() -> Self

The replacements for the animation cascade levels.

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pub fn has_animation_hint(&self) -> bool

Returns whether the hint specifies that an animation cascade level must be replaced.

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pub fn has_animation_hint_or_recascade(&self) -> bool

Returns whether the hint specifies that an animation cascade level must be replaced.

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pub fn has_non_animation_hint(&self) -> bool

Returns whether the hint specifies some restyle work other than an animation cascade level replacement.

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pub fn has_replacements(&self) -> bool

Returns whether the hint specifies that some cascade levels must be replaced.

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pub fn remove_animation_hints(&mut self)

Removes all of the animation-related hints.

Trait Implementations§

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impl Binary for RestyleHint

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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 BitAnd for RestyleHint

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fn bitand(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

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type Output = RestyleHint

The resulting type after applying the & operator.
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impl BitAndAssign for RestyleHint

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fn bitand_assign(&mut self, other: Self)

The bitwise and (&) of the bits in two flags values.

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impl BitOr for RestyleHint

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fn bitor(self, other: RestyleHint) -> Self

The bitwise or (|) of the bits in two flags values.

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type Output = RestyleHint

The resulting type after applying the | operator.
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impl BitOrAssign for RestyleHint

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fn bitor_assign(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

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impl BitXor for RestyleHint

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fn bitxor(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

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type Output = RestyleHint

The resulting type after applying the ^ operator.
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impl BitXorAssign for RestyleHint

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fn bitxor_assign(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

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impl Clone for RestyleHint

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fn clone(&self) -> RestyleHint

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 RestyleHint

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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 Default for RestyleHint

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Extend<RestyleHint> for RestyleHint

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fn extend<T: IntoIterator<Item = Self>>(&mut self, iterator: T)

The bitwise or (|) of the bits in each flags value.

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fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)
Extends a collection with exactly one element.
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fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)
Reserves capacity in a collection for the given number of additional elements. Read more
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impl Flags for RestyleHint

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const FLAGS: &'static [Flag<RestyleHint>] = _

The set of defined flags.
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type Bits = u16

The underlying bits type.
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fn bits(&self) -> u16

Get the underlying bits value. Read more
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fn from_bits_retain(bits: u16) -> RestyleHint

Convert from a bits value exactly.
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fn empty() -> Self

Get a flags value with all bits unset.
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fn all() -> Self

Get a flags value with all known bits set.
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fn from_bits(bits: Self::Bits) -> Option<Self>

Convert from a bits value. Read more
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fn from_bits_truncate(bits: Self::Bits) -> Self

Convert from a bits value, unsetting any unknown bits.
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fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set. Read more
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fn iter(&self) -> Iter<Self>

Yield a set of contained flags values. Read more
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fn iter_names(&self) -> IterNames<Self>

Yield a set of contained named flags values. Read more
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fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.
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fn is_all(&self) -> bool

Whether all known bits in this flags value are set.
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fn intersects(&self, other: Self) -> bool
where Self: Sized,

Whether any set bits in a source flags value are also set in a target flags value.
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fn contains(&self, other: Self) -> bool
where Self: Sized,

Whether all set bits in a source flags value are also set in a target flags value.
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fn insert(&mut self, other: Self)
where Self: Sized,

The bitwise or (|) of the bits in two flags values.
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fn remove(&mut self, other: Self)
where Self: Sized,

The intersection of a source flags value with the complement of a target flags value (&!). Read more
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fn toggle(&mut self, other: Self)
where Self: Sized,

The bitwise exclusive-or (^) of the bits in two flags values.
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fn set(&mut self, other: Self, value: bool)
where Self: Sized,

Call Flags::insert when value is true or Flags::remove when value is false.
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fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.
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fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.
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fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!). Read more
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fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.
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fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.
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impl FromIterator<RestyleHint> for RestyleHint

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fn from_iter<T: IntoIterator<Item = Self>>(iterator: T) -> Self

The bitwise or (|) of the bits in each flags value.

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impl IntoIterator for RestyleHint

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type Item = RestyleHint

The type of the elements being iterated over.
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type IntoIter = Iter<RestyleHint>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more
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impl LowerHex for RestyleHint

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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 MallocSizeOf for RestyleHint

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fn size_of(&self, _: &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 Not for RestyleHint

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fn not(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

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type Output = RestyleHint

The resulting type after applying the ! operator.
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impl Octal for RestyleHint

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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 PublicFlags for RestyleHint

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type Primitive = u16

The type of the underlying storage.
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type Internal = InternalBitFlags

The type of the internal field on the generated flags type.
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impl Sub for RestyleHint

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fn sub(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

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type Output = RestyleHint

The resulting type after applying the - operator.
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impl SubAssign for RestyleHint

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fn sub_assign(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

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impl UpperHex for RestyleHint

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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 Copy for RestyleHint

Auto Trait Implementations§

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impl<T> Any for T
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Gets the TypeId of self. Read more
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Immutably borrows from an owned value. Read more
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Returns the argument unchanged.

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where U: From<T>,

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Calls U::from(self).

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

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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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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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Convert
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Convert
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The alignment of pointer.
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The type for initializers.
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Initializes a with the given initializer. Read more
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Dereferences the given pointer. Read more
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Mutably dereferences the given pointer. Read more
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Drops the object pointed to by the given pointer. Read more
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where T: Clone,

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