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PaxState

Struct PaxState 

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pub struct PaxState<'global> { /* private fields */ }
Expand description

Unified pax metadata state applicable to one ordinary member.

Effective values apply local records over the active global state using standard last-record-wins and deletion semantics. Self::extensions retains the positioned extension headers newly encountered for this member. The effective global state is borrowed from the originating logical reader, so retaining this view also prevents that reader from advancing to another member whose global state could differ.

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impl<'global> PaxState<'global>

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pub fn extensions(&self) -> impl Iterator<Item = &PaxExtension>

Returns positioned extensions newly encountered for this member.

Global extensions are yielded in source order, followed by the optional local extension.

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pub fn effective_record(&self, keyword: &PaxKeyword) -> Option<&PaxRecord>

Returns the final applicable record for keyword, including deletions.

Trait Implementations§

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impl<'global> Clone for PaxState<'global>

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fn clone(&self) -> PaxState<'global>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<'global> Debug for PaxState<'global>

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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<'global> Eq for PaxState<'global>

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impl<'global> PartialEq for PaxState<'global>

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fn eq(&self, other: &PaxState<'global>) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'global> StructuralPartialEq for PaxState<'global>

Auto Trait Implementations§

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impl<'global> Freeze for PaxState<'global>

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impl<'global> RefUnwindSafe for PaxState<'global>

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impl<'global> Send for PaxState<'global>

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impl<'global> Sync for PaxState<'global>

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impl<'global> Unpin for PaxState<'global>

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impl<'global> UnsafeUnpin for PaxState<'global>

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impl<'global> UnwindSafe for PaxState<'global>

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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.