Struct Bitset

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pub struct Bitset { /* private fields */ }
Expand description

任意サイズのbit列を扱う。

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impl Bitset

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pub const B_SIZE: usize = 64usize

Bitset内部で扱う型のBit数

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pub fn new(n: usize) -> Self

長さnBitsetを構築する。

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pub fn set(&mut self, n: usize, val: bool)

n番目のbitをvalで設定する。

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pub fn test(&self, n: usize) -> bool

n番目のbitが1ならばtrueを返す。

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pub fn flip(&mut self, n: usize)

n番目のbitを反転させる。

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pub fn count_ones(&self) -> u32

1が設定されているbitの個数を数える。

Time complexity $O(n)$

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pub fn count_zeros(&self) -> u32

0が設定されているbitの個数を数える。

Time complexity $O(n)$

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pub fn and_count_ones(&self, rhs: &Self) -> u32

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pub fn same_size_xor_assign(&mut self, rhs: &Self)

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pub fn len(&self) -> usize

bit列の長さを返す。

Time complexity $O(1)$

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pub fn is_empty(&self) -> bool

bit列が空ならばtrueを返す。

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pub fn push(&mut self, val: bool)

末尾に値valを追加する。

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pub fn pop(&mut self) -> Option<bool>

末尾の値を削除して返す。

Trait Implementations§

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impl BitAnd for Bitset

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type Output = Bitset

The resulting type after applying the & operator.
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fn bitand(self, rhs: Self) -> Self::Output

Performs the & operation. Read more
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impl BitAndAssign for Bitset

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fn bitand_assign(&mut self, rhs: Self)

Performs the &= operation. Read more
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impl BitOr for Bitset

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type Output = Bitset

The resulting type after applying the | operator.
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fn bitor(self, rhs: Self) -> Self::Output

Performs the | operation. Read more
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impl BitOrAssign for Bitset

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fn bitor_assign(&mut self, rhs: Self)

Performs the |= operation. Read more
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impl BitXor for Bitset

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type Output = Bitset

The resulting type after applying the ^ operator.
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fn bitxor(self, rhs: Self) -> Self::Output

Performs the ^ operation. Read more
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impl BitXorAssign for Bitset

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fn bitxor_assign(&mut self, rhs: Self)

Performs the ^= operation. Read more
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impl Clone for Bitset

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fn clone(&self) -> Bitset

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 Debug for Bitset

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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 Display for Bitset

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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 From<Vec<bool>> for Bitset

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fn from(value: Vec<bool>) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl Freeze for Bitset

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impl RefUnwindSafe for Bitset

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impl Send for Bitset

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impl Sync for Bitset

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impl Unpin for Bitset

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impl UnwindSafe for Bitset

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<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> 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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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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.