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SideTable

Struct SideTable 

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pub struct SideTable<V> { /* private fields */ }
Expand description

A (node → payload) side channel: analysis verdicts recorded beside the HIR rather than written into it (D2 — the HIR stays immutable).

Generic over the payload so a second kind of verdict can ride the same plumbing instead of a parallel structure being invented for it. Backed by a BTreeMap so iteration order is deterministic (house rule — never iterate a HashMap where order affects output); Self::iter is what a consumer that wants every verdict (e.g. an IDE building an overlay) walks.

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impl<V> SideTable<V>

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pub fn new() -> Self

An empty table.

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pub fn insert(&mut self, key: NodeKey, value: V) -> Option<V>

Record value for the node at key, returning any previous entry.

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pub fn get(&self, key: NodeKey) -> Option<&V>

The payload recorded for the node at key, if any.

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pub fn at(&self, file: FileId, range: TextRange) -> Option<&V>

The payload recorded for the node at range in file, if any — the convenience spelling for a consumer holding an HIR node rather than a pre-built NodeKey.

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pub fn iter(&self) -> impl Iterator<Item = (NodeKey, &V)>

Every recorded entry, in deterministic (file, range) order.

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pub fn len(&self) -> usize

How many nodes carry a payload.

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pub fn is_empty(&self) -> bool

Whether no node carries a payload.

Trait Implementations§

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impl<V: Clone> Clone for SideTable<V>

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fn clone(&self) -> SideTable<V>

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<V: Debug> Debug for SideTable<V>

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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<V> Default for SideTable<V>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<V: Eq> Eq for SideTable<V>

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impl<V: PartialEq> PartialEq for SideTable<V>

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fn eq(&self, other: &SideTable<V>) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl<V: PartialEq> StructuralPartialEq for SideTable<V>

Auto Trait Implementations§

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impl<V> Freeze for SideTable<V>
where BTreeMap<NodeKey, V>: Freeze,

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impl<V> RefUnwindSafe for SideTable<V>

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impl<V> Send for SideTable<V>
where BTreeMap<NodeKey, V>: Send,

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impl<V> Sync for SideTable<V>
where BTreeMap<NodeKey, V>: Sync,

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impl<V> Unpin for SideTable<V>
where BTreeMap<NodeKey, V>: Unpin,

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impl<V> UnsafeUnpin for SideTable<V>

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impl<V> UnwindSafe for SideTable<V>

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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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 = !

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

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> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more