Struct rustc_data_structures::indexed_set::IdxSetBuf

pub struct IdxSetBuf<T: Idx> { /* fields omitted */ }

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Represents a set (or packed family of sets), of some element type E, where each E is identified by some unique index type T.

In other words, T is the type used to index into the bitvector this type uses to represent the set of object it holds.

Methods

impl<T: Idx> IdxSetBuf<T>

pub fn new_filled(universe_size: usize) -> Self

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Creates set holding every element whose index falls in range 0..universe_size.

pub fn new_empty(universe_size: usize) -> Self

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Creates set holding no elements.

Methods from Deref<Target = IdxSet<T>>

pub fn to_owned(&self) -> IdxSetBuf<T>

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pub fn clear(&mut self)

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Removes all elements

pub fn remove(&mut self, elem: &T) -> bool

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Removes elem from the set self; returns true iff this changed self.

pub fn add(&mut self, elem: &T) -> bool

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Adds elem to the set self; returns true iff this changed self.

Important traits for &'a mut I

impl<'a, I> Iterator for &'a mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

pub fn range(&self, elems: &Range<T>) -> &Self

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Important traits for &'a mut I

impl<'a, I> Iterator for &'a mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

pub fn range_mut(&mut self, elems: &Range<T>) -> &mut Self

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pub fn contains(&self, elem: &T) -> bool

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Returns true iff set self contains elem.

pub fn words(&self) -> &[Word]

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pub fn words_mut(&mut self) -> &mut [Word]

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pub fn clone_from(&mut self, other: &IdxSet<T>)

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pub fn union(&mut self, other: &IdxSet<T>) -> bool

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pub fn subtract(&mut self, other: &IdxSet<T>) -> bool

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pub fn intersect(&mut self, other: &IdxSet<T>) -> bool

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Important traits for Iter<'a, T>

impl<'a, T: Idx> Iterator for Iter<'a, T> type Item = T;

pub fn iter(&self) -> Iter<T>

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pub fn each_bit<F>(&self, max_bits: usize, f: F) where
    F: FnMut(T), 

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Calls f on each index value held in this set, up to the bound max_bits on the size of universe of indexes.

pub fn reset_to_empty(&mut self)

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Removes all elements from this set.

Important traits for Elems<'a, T>

impl<'a, T: Idx> Iterator for Elems<'a, T> type Item = T;

pub fn elems(&self, universe_size: usize) -> Elems<T>

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Trait Implementations

impl<T: Eq + Idx> Eq for IdxSetBuf<T>

impl<T: PartialEq + Idx> PartialEq for IdxSetBuf<T>

fn eq(&self, __arg_0: &IdxSetBuf<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &IdxSetBuf<T>) -> bool

This method tests for !=.

impl<T: Idx> Clone for IdxSetBuf<T>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Idx> Encodable for IdxSetBuf<T>

fn encode<E: Encoder>(&self, encoder: &mut E) -> Result<(), E::Error>

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impl<T: Idx> Decodable for IdxSetBuf<T>

fn decode<D: Decoder>(d: &mut D) -> Result<IdxSetBuf<T>, D::Error>

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impl<T: Idx> Borrow<IdxSet<T>> for IdxSetBuf<T>

fn borrow(&self) -> &IdxSet<T>

Immutably borrows from an owned value.

impl<T: Idx> BorrowMut<IdxSet<T>> for IdxSetBuf<T>

fn borrow_mut(&mut self) -> &mut IdxSet<T>

Mutably borrows from an owned value.

impl<T: Idx> Debug for IdxSetBuf<T>

fn fmt(&self, w: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<T: Idx> Deref for IdxSetBuf<T>

type Target = IdxSet<T>

The resulting type after dereferencing.

fn deref(&self) -> &IdxSet<T>

Dereferences the value.

impl<T: Idx> DerefMut for IdxSetBuf<T>

fn deref_mut(&mut self) -> &mut IdxSet<T>

Mutably dereferences the value.

impl<I: Idx, CTX> HashStable<CTX> for IdxSetBuf<I>

fn hash_stable<W: StableHasherResult>(
    &self,
    ctx: &mut CTX,
    hasher: &mut StableHasher<W>
)

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?