Treap

Struct Treap 

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pub struct Treap<T, R> { /* private fields */ }

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impl<T, R> Treap<T, R>

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pub fn new(rng: R) -> 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 into_sorted_vec(self) -> Vec<T>

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impl<T, R> Treap<T, R>
where T: Ord,

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

集合にxが含まれるかを返す。

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

xを削除する。集合にxが含まれていた場合trueを返す。

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pub fn le(&self, x: &T) -> Option<&T>

x以下の最大の要素を返す

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pub fn ge(&self, x: &T) -> Option<&T>

x以上の最小の要素を返す

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pub fn nth(&self, n: usize) -> Option<&T>

0-indexedでn番目の要素を返す

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pub fn position(&self, x: &T) -> Result<usize, usize>

xより小さい要素の個数を返す 集合がxを含む場合Ok, xを含まない場合Err

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impl<T, R> Treap<T, R>
where T: Ord, R: RngCore,

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pub fn insert(&mut self, x: T) -> bool

xを追加する。集合にxが含まれていなかった場合trueを返す。

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impl<T, R> Treap<T, R>

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

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impl<T, R> Debug for Treap<T, R>
where T: Debug,

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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> Default for Treap<T, StdRng>

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fn default() -> Self

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

Auto Trait Implementations§

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impl<T, R> Freeze for Treap<T, R>
where R: Freeze,

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impl<T, R> RefUnwindSafe for Treap<T, R>

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impl<T, R> Send for Treap<T, R>
where R: Send, T: Send,

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impl<T, R> Sync for Treap<T, R>
where R: Sync, T: Sync,

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impl<T, R> Unpin for Treap<T, R>
where R: Unpin,

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impl<T, R> UnwindSafe for Treap<T, R>
where R: UnwindSafe, T: UnwindSafe,

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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> 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, 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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V