[−][src]Struct bit_set::BitSet
Methods
impl BitSet<u32>
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pub fn new() -> Self
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pub fn with_capacity(nbits: usize) -> Self
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Creates a new BitSet
with initially no contents, able to
hold nbits
elements without resizing.
Examples
use bit_set::BitSet; let mut s = BitSet::with_capacity(100); assert!(s.capacity() >= 100);
pub fn from_bit_vec(bit_vec: BitVec) -> Self
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Creates a new BitSet
from the given bit vector.
Examples
extern crate bit_vec; extern crate bit_set; fn main() { use bit_vec::BitVec; use bit_set::BitSet; let bv = BitVec::from_bytes(&[0b01100000]); let s = BitSet::from_bit_vec(bv); // Print 1, 2 in arbitrary order for x in s.iter() { println!("{}", x); } }
pub fn from_bytes(bytes: &[u8]) -> Self
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impl<B: BitBlock> BitSet<B>
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pub fn capacity(&self) -> usize
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Returns the capacity in bits for this bit vector. Inserting any element less than this amount will not trigger a resizing.
Examples
use bit_set::BitSet; let mut s = BitSet::with_capacity(100); assert!(s.capacity() >= 100);
pub fn reserve_len(&mut self, len: usize)
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Reserves capacity for the given BitSet
to contain len
distinct elements. In the case
of BitSet
this means reallocations will not occur as long as all inserted elements
are less than len
.
The collection may reserve more space to avoid frequent reallocations.
Examples
use bit_set::BitSet; let mut s = BitSet::new(); s.reserve_len(10); assert!(s.capacity() >= 10);
pub fn reserve_len_exact(&mut self, len: usize)
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Reserves the minimum capacity for the given BitSet
to contain len
distinct elements.
In the case of BitSet
this means reallocations will not occur as long as all inserted
elements are less than len
.
Note that the allocator may give the collection more space than it requests. Therefore
capacity can not be relied upon to be precisely minimal. Prefer reserve_len
if future
insertions are expected.
Examples
use bit_set::BitSet; let mut s = BitSet::new(); s.reserve_len_exact(10); assert!(s.capacity() >= 10);
pub fn into_bit_vec(self) -> BitVec<B>
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Consumes this set to return the underlying bit vector.
Examples
use bit_set::BitSet; let mut s = BitSet::new(); s.insert(0); s.insert(3); let bv = s.into_bit_vec(); assert!(bv[0]); assert!(bv[3]);
pub fn get_ref(&self) -> &BitVec<B>
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Returns a reference to the underlying bit vector.
Examples
use bit_set::BitSet; let mut s = BitSet::new(); s.insert(0); let bv = s.get_ref(); assert_eq!(bv[0], true);
pub fn shrink_to_fit(&mut self)
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Truncates the underlying vector to the least length required.
Examples
use bit_set::BitSet; let mut s = BitSet::new(); s.insert(32183231); s.remove(32183231); // Internal storage will probably be bigger than necessary println!("old capacity: {}", s.capacity()); // Now should be smaller s.shrink_to_fit(); println!("new capacity: {}", s.capacity());
ⓘImportant traits for Iter<'a, B>pub fn iter(&self) -> Iter<B>
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Iterator over each usize stored in the BitSet
.
Examples
use bit_set::BitSet; let s = BitSet::from_bytes(&[0b01001010]); // Print 1, 4, 6 in arbitrary order for x in s.iter() { println!("{}", x); }
ⓘImportant traits for Union<'a, B>pub fn union<'a>(&'a self, other: &'a Self) -> Union<'a, B>
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Iterator over each usize stored in self
union other
.
See union_with for an efficient in-place version.
Examples
use bit_set::BitSet; let a = BitSet::from_bytes(&[0b01101000]); let b = BitSet::from_bytes(&[0b10100000]); // Print 0, 1, 2, 4 in arbitrary order for x in a.union(&b) { println!("{}", x); }
ⓘImportant traits for Intersection<'a, B>pub fn intersection<'a>(&'a self, other: &'a Self) -> Intersection<'a, B>
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Iterator over each usize stored in self
intersect other
.
See intersect_with for an efficient in-place version.
Examples
use bit_set::BitSet; let a = BitSet::from_bytes(&[0b01101000]); let b = BitSet::from_bytes(&[0b10100000]); // Print 2 for x in a.intersection(&b) { println!("{}", x); }
ⓘImportant traits for Difference<'a, B>pub fn difference<'a>(&'a self, other: &'a Self) -> Difference<'a, B>
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Iterator over each usize stored in the self
setminus other
.
See difference_with for an efficient in-place version.
Examples
use bit_set::BitSet; let a = BitSet::from_bytes(&[0b01101000]); let b = BitSet::from_bytes(&[0b10100000]); // Print 1, 4 in arbitrary order for x in a.difference(&b) { println!("{}", x); } // Note that difference is not symmetric, // and `b - a` means something else. // This prints 0 for x in b.difference(&a) { println!("{}", x); }
ⓘImportant traits for SymmetricDifference<'a, B>pub fn symmetric_difference<'a>(
&'a self,
other: &'a Self
) -> SymmetricDifference<'a, B>
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&'a self,
other: &'a Self
) -> SymmetricDifference<'a, B>
Iterator over each usize stored in the symmetric difference of self
and other
.
See symmetric_difference_with for
an efficient in-place version.
Examples
use bit_set::BitSet; let a = BitSet::from_bytes(&[0b01101000]); let b = BitSet::from_bytes(&[0b10100000]); // Print 0, 1, 4 in arbitrary order for x in a.symmetric_difference(&b) { println!("{}", x); }
pub fn union_with(&mut self, other: &Self)
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Unions in-place with the specified other bit vector.
Examples
use bit_set::BitSet; let a = 0b01101000; let b = 0b10100000; let res = 0b11101000; let mut a = BitSet::from_bytes(&[a]); let b = BitSet::from_bytes(&[b]); let res = BitSet::from_bytes(&[res]); a.union_with(&b); assert_eq!(a, res);
pub fn intersect_with(&mut self, other: &Self)
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Intersects in-place with the specified other bit vector.
Examples
use bit_set::BitSet; let a = 0b01101000; let b = 0b10100000; let res = 0b00100000; let mut a = BitSet::from_bytes(&[a]); let b = BitSet::from_bytes(&[b]); let res = BitSet::from_bytes(&[res]); a.intersect_with(&b); assert_eq!(a, res);
pub fn difference_with(&mut self, other: &Self)
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Makes this bit vector the difference with the specified other bit vector in-place.
Examples
use bit_set::BitSet; let a = 0b01101000; let b = 0b10100000; let a_b = 0b01001000; // a - b let b_a = 0b10000000; // b - a let mut bva = BitSet::from_bytes(&[a]); let bvb = BitSet::from_bytes(&[b]); let bva_b = BitSet::from_bytes(&[a_b]); let bvb_a = BitSet::from_bytes(&[b_a]); bva.difference_with(&bvb); assert_eq!(bva, bva_b); let bva = BitSet::from_bytes(&[a]); let mut bvb = BitSet::from_bytes(&[b]); bvb.difference_with(&bva); assert_eq!(bvb, bvb_a);
pub fn symmetric_difference_with(&mut self, other: &Self)
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Makes this bit vector the symmetric difference with the specified other bit vector in-place.
Examples
use bit_set::BitSet; let a = 0b01101000; let b = 0b10100000; let res = 0b11001000; let mut a = BitSet::from_bytes(&[a]); let b = BitSet::from_bytes(&[b]); let res = BitSet::from_bytes(&[res]); a.symmetric_difference_with(&b); assert_eq!(a, res);
pub fn len(&self) -> usize
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Returns the number of set bits in this set.
pub fn is_empty(&self) -> bool
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Returns whether there are no bits set in this set
pub fn clear(&mut self)
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Clears all bits in this set
pub fn contains(&self, value: usize) -> bool
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Returns true
if this set contains the specified integer.
pub fn is_disjoint(&self, other: &Self) -> bool
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Returns true
if the set has no elements in common with other
.
This is equivalent to checking for an empty intersection.
pub fn is_subset(&self, other: &Self) -> bool
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Returns true
if the set is a subset of another.
pub fn is_superset(&self, other: &Self) -> bool
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Returns true
if the set is a superset of another.
pub fn insert(&mut self, value: usize) -> bool
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Adds a value to the set. Returns true
if the value was not already
present in the set.
pub fn remove(&mut self, value: usize) -> bool
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Removes a value from the set. Returns true
if the value was
present in the set.
Trait Implementations
impl<B: BitBlock> Clone for BitSet<B>
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fn clone(&self) -> Self
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fn clone_from(&mut self, other: &Self)
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impl<B: BitBlock> Debug for BitSet<B>
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impl<B: BitBlock> PartialEq<BitSet<B>> for BitSet<B>
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fn eq(&self, other: &Self) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl<B: BitBlock> Eq for BitSet<B>
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impl<B: BitBlock> Ord for BitSet<B>
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fn cmp(&self, other: &Self) -> Ordering
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fn max(self, other: Self) -> Self
1.21.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
Compares and returns the minimum of two values. Read more
fn clamp(self, min: Self, max: Self) -> Self
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clamp
)Returns max if self is greater than max, and min if self is less than min. Otherwise this will return self. Panics if min > max. Read more
impl<B: BitBlock> PartialOrd<BitSet<B>> for BitSet<B>
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fn partial_cmp(&self, other: &Self) -> Option<Ordering>
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#[must_use]
fn lt(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests less than (for self
and other
) and is used by the <
operator. Read more
#[must_use]
fn le(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
#[must_use]
fn gt(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
#[must_use]
fn ge(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl<B: BitBlock> Hash for BitSet<B>
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fn hash<H: Hasher>(&self, state: &mut H)
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl<'a, B: BitBlock> IntoIterator for &'a BitSet<B>
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type Item = usize
The type of the elements being iterated over.
type IntoIter = Iter<'a, B>
Which kind of iterator are we turning this into?
ⓘImportant traits for Iter<'a, B>fn into_iter(self) -> Iter<'a, B>
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impl<B: BitBlock> Extend<usize> for BitSet<B>
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fn extend<I: IntoIterator<Item = usize>>(&mut self, iter: I)
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impl<B: BitBlock> FromIterator<usize> for BitSet<B>
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fn from_iter<I: IntoIterator<Item = usize>>(iter: I) -> Self
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impl<B: BitBlock> Default for BitSet<B>
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Auto Trait Implementations
Blanket Implementations
impl<T> From for T
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impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,