Struct icu_collator::provider::CollationMetadataV1

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pub struct CollationMetadataV1 {
    pub bits: u32,
}
Expand description

Each non-alias collation that the data provider knows about explicitly has an data entry at least for this struct.

🚧 This code is considered unstable; it may change at any time, in breaking or non-breaking ways, including in SemVer minor releases. While the serde representation of data structs is guaranteed to be stable, their Rust representation might not be. Use with caution.

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§bits: u32

See the mask constants in the impl block for the bit layout. The other bits are ignored: They could be from the future if their semantics such that old code may ignore them.

Note: At present, it’s bogus for the bit for “upper first” to be set if “case first” isn’t also set. However, the methods handle this case gracefully, so there is no need for invariant validation.

Implementations§

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impl CollationMetadataV1

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const MAX_VARIABLE_MASK: u32 = 3u32

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const TAILORED_MASK: u32 = 8u32

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const TAILORED_DIACRITICS_MASK: u32 = 16u32

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const REORDERING_MASK: u32 = 32u32

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const LITHUANIAN_DOT_ABOVE_MASK: u32 = 64u32

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const BACWARD_SECOND_LEVEL_MASK: u32 = 128u32

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const ALTERNATE_SHIFTED_MASK: u32 = 256u32

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const CASE_FIRST_MASK: u32 = 512u32

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const UPPER_FIRST_MASK: u32 = 1_024u32

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pub(crate) fn max_variable(&self) -> MaxVariable

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pub(crate) fn tailored(&self) -> bool

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pub(crate) fn tailored_diacritics(&self) -> bool

Vietnamese and Ewe

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pub(crate) fn lithuanian_dot_above(&self) -> bool

Lithuanian

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pub(crate) fn backward_second_level(&self) -> bool

Canadian French

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pub(crate) fn reordering(&self) -> bool

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pub(crate) fn alternate_shifted(&self) -> bool

Thai

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pub(crate) fn case_first(&self) -> CaseFirst

Trait Implementations§

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impl Clone for CollationMetadataV1

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fn clone(&self) -> CollationMetadataV1

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 CollationMetadataV1

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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 PartialEq for CollationMetadataV1

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fn eq(&self, other: &CollationMetadataV1) -> 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<'a> Yokeable<'a> for CollationMetadataV1
where Self: Sized,

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type Output = CollationMetadataV1

This type MUST be Self with the 'static replaced with 'a, i.e. Self<'a>
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fn transform(&self) -> &Self::Output

This method must cast self between &'a Self<'static> and &'a Self<'a>. Read more
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fn transform_owned(self) -> Self::Output

This method must cast self between Self<'static> and Self<'a>. Read more
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unsafe fn make(this: Self::Output) -> Self

This method can be used to cast away Self<'a>’s lifetime. Read more
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fn transform_mut<F>(&'a mut self, f: F)
where F: 'static + for<'b> FnOnce(&'b mut Self::Output),

This method must cast self between &'a mut Self<'static> and &'a mut Self<'a>, and pass it to f. Read more
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impl<'zf> ZeroFrom<'zf, CollationMetadataV1> for CollationMetadataV1

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fn zero_from(this: &'zf Self) -> Self

Clone the other C into a struct that may retain references into C.
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impl Copy for CollationMetadataV1

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impl StructuralPartialEq for CollationMetadataV1

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> 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> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T