Struct cranelift_bforest::Set

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pub struct Set<K>where
    K: Copy,{ /* private fields */ }
Expand description

B-tree representing an ordered set of Ks using C for comparing elements.

This is not a general-purpose replacement for BTreeSet. See the module documentation for more information about design tradeoffs.

Sets can be cloned, but that operation should only be used as part of cloning the whole forest they belong to. Cloning a set does not allocate new memory for the clone. It creates an alias of the same memory.

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impl<K> Set<K>where K: Copy,

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pub fn new() -> Self

Make an empty set.

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pub fn is_empty(&self) -> bool

Is this an empty set?

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pub fn contains<C: Comparator<K>>( &self, key: K, forest: &SetForest<K>, comp: &C ) -> bool

Does the set contain key?.

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pub fn insert<C: Comparator<K>>( &mut self, key: K, forest: &mut SetForest<K>, comp: &C ) -> bool

Try to insert key into the set.

If the set did not contain key, insert it and return true.

If key is already present, don’t change the set and return false.

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pub fn remove<C: Comparator<K>>( &mut self, key: K, forest: &mut SetForest<K>, comp: &C ) -> bool

Remove key from the set and return true.

If key was not present in the set, return false.

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pub fn clear(&mut self, forest: &mut SetForest<K>)

Remove all entries.

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pub fn retain<F>(&mut self, forest: &mut SetForest<K>, predicate: F)where F: FnMut(K) -> bool,

Retains only the elements specified by the predicate.

Remove all elements where the predicate returns false.

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pub fn cursor<'a, C: Comparator<K>>( &'a mut self, forest: &'a mut SetForest<K>, comp: &'a C ) -> SetCursor<'a, K, C>

Create a cursor for navigating this set. The cursor is initially positioned off the end of the set.

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pub fn iter<'a>(&'a self, forest: &'a SetForest<K>) -> SetIter<'a, K>

Create an iterator traversing this set. The iterator type is K.

Trait Implementations§

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impl<K> Clone for Set<K>where K: Copy + Clone,

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fn clone(&self) -> Set<K>

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<K> Default for Set<K>where K: Copy,

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<K> RefUnwindSafe for Set<K>where K: RefUnwindSafe,

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impl<K> Send for Set<K>where K: Send,

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impl<K> Sync for Set<K>where K: Sync,

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impl<K> Unpin for Set<K>where K: Unpin,

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impl<K> UnwindSafe for Set<K>where K: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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.