Struct ScriptWithExtensionsProperty 

pub struct ScriptWithExtensionsProperty<'data> {
    pub trie: CodePointTrie<'data, ScriptWithExt>,
    pub extensions: VarZeroVec<'data, ZeroSlice<Script>>,
}

A struct that efficiently stores Script and Script_Extensions property data.

🚧 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.

Fields

trie: CodePointTrie<'data, ScriptWithExt>

Note: The ScriptWithExt values in this array will assume a 12-bit layout. The 2 higher order bits 11..10 will indicate how to deduce the Script value and Script_Extensions value, nearly matching the representation in ICU:

High order 2 bits value	Script	Script_Extensions
3	First value in sub-array, index given by lower 10 bits	Sub-array excluding first value, index given by lower 10 bits
2	Script=Inherited	Entire sub-array, index given by lower 10 bits
1	Script=Common	Entire sub-array, index given by lower 10 bits
0	Value in lower 10 bits	[ Script value ] single-element array

When the lower 10 bits of the value are used as an index, that index is used for the outer-level vector of the nested extensions structure.

extensions: VarZeroVec<'data, ZeroSlice<Script>>

This companion structure stores Script_Extensions values, which are themselves arrays / vectors. This structure only stores the values for cases in which scx(cp) != [ sc(cp) ]. Each sub-vector is distinct. The sub-vector represents the Script_Extensions array value for a code point, and may also indicate Script value, as described for the trie field.

Trait Implementations

impl<'data> Clone for ScriptWithExtensionsProperty<'data>

fn clone(&self) -> ScriptWithExtensionsProperty<'data>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'data> Debug for ScriptWithExtensionsProperty<'data>

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

Formats the value using the given formatter.

impl MaybeAsVarULE for ScriptWithExtensionsProperty<'_>

type EncodedStruct = [()]

The VarULE type for this data struct, or [()] if it cannot be represented as VarULE.

impl<'data> PartialEq for ScriptWithExtensionsProperty<'data>

fn eq(&self, other: &ScriptWithExtensionsProperty<'data>) -> 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<'a> Yokeable<'a> for ScriptWithExtensionsProperty<'static>

type Output = ScriptWithExtensionsProperty<'a>

This type MUST be Self with the 'static replaced with 'a, i.e. Self<'a>

fn transform(&'a self) -> &'a Self::Output

This method must cast self between &'a Self<'static> and &'a Self<'a>.

fn transform_owned(self) -> Self::Output

This method must cast self between Self<'static> and Self<'a>.

unsafe fn make(this: Self::Output) -> Self

This method can be used to cast away Self<'a>’s lifetime.

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.

impl<'zf, 'zf_inner> ZeroFrom<'zf, ScriptWithExtensionsProperty<'zf_inner>> for ScriptWithExtensionsProperty<'zf>

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

Clone the other C into a struct that may retain references into C.

impl<'data> Eq for ScriptWithExtensionsProperty<'data>

impl<'data> StructuralPartialEq for ScriptWithExtensionsProperty<'data>

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 96 bytes