pub struct IndexedSet<T: Ord> {
    pub root: Option<Box<Node<T>>>,
    /* private fields */
}
Expand description

IndexedSet

  • スプレー木のクラス

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§root: Option<Box<Node<T>>>

Implementations§

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impl<T> IndexedSet<T>where T: Ord + Clone,

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pub fn new() -> Self

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pub fn len(&self) -> usize

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pub fn is_empty(&self) -> bool

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pub fn get(&mut self, key: &T) -> Option<&T>

get

  • 値の検索を行う

戻り値

  • Option<&T>: キーに紐づいた値
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pub fn insert(&mut self, key: T) -> Option<T>

値の挿入を行う。

戻り値

  • bool: 挿入が行われたか
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pub fn remove(&mut self, key: &T) -> Option<T>

remove

  • 値の削除

戻り値

  • Option<T>: 削除された値
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pub fn contains_key(&mut self, key: &T) -> bool

contains_key

  • keyを含むか
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pub fn lower_bound(&mut self, key: &T) -> Option<&T>

lower_bound

  • key以上の最小の値を返す
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pub fn upper_bound(&mut self, key: &T) -> Option<&T>

upper_bound

  • keyより大きい最小の値を返す
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pub fn lower_bound_rev(&mut self, key: &T) -> Option<&T>

lower_bound_rev

  • key以下の最大の値を返す
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pub fn upper_bound_rev(&mut self, key: &T) -> Option<&T>

upper_bound_rev

  • key未満の最大の値を返す
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pub fn get_by_index(&self, n: usize) -> Option<&T>

get_by_index

  • 先頭からn番目の値を取得する(0-indexed)
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pub fn index(&mut self, key: &T) -> Option<usize>

index

  • 要素keyのインデックスを取得する(0-indexed)
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impl<T: Ord> IndexedSet<T>

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pub fn iter(&self) -> SplayTreeIterator<'_, T>

Trait Implementations§

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impl<T: Ord + Debug> Debug for IndexedSet<T>

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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<T: Ord + Clone> FromIterator<T> for IndexedSet<T>

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fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self

Creates a value from an iterator. Read more
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impl<'a, T: Ord> IntoIterator for &'a IndexedSet<T>

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type IntoIter = SplayTreeIterator<'a, T>

Which kind of iterator are we turning this into?
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type Item = &'a T

The type of the elements being iterated over.
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fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more

Auto Trait Implementations§

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impl<T> RefUnwindSafe for IndexedSet<T>where T: RefUnwindSafe,

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impl<T> Send for IndexedSet<T>where T: Send,

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impl<T> Sync for IndexedSet<T>where T: Sync,

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impl<T> Unpin for IndexedSet<T>

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impl<T> UnwindSafe for IndexedSet<T>where T: 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,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

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

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

const: unstable · source§

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, 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.
const: unstable · source§

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.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V