pub struct BitView<'a> { /* private fields */ }Expand description
A borrowed fixed-size bit vector of length N bits, represented as an array of usize words.
Internally, it uses a BitArray to store the bits, but this crate has some
performance foot-guns in cases where we can lean on better assumptions, and therefore we wrap
it up for use within Vortex.
Read-only view into a bit array for selection masking in operator operations.
Implementations§
Source§impl<'a> BitView<'a>
impl<'a> BitView<'a>
pub fn new(bits: &[usize; 16]) -> Self
Sourcepub fn true_count(&self) -> usize
pub fn true_count(&self) -> usize
Returns the number of true bits in the view.
Sourcepub fn iter_ones<F>(&self, f: F)
pub fn iter_ones<F>(&self, f: F)
Runs the provided function f for each index of a true bit in the view.
Sourcepub fn iter_zeros<F>(&self, f: F)
pub fn iter_zeros<F>(&self, f: F)
Runs the provided function f for each index of a true bit in the view.
Sourcepub fn iter_slices<F>(&self, f: F)
pub fn iter_slices<F>(&self, f: F)
Runs the provided function f for each range of true bits in the view.
The function f receives a tuple (start, len) where start is the index of the first
true bit and len is the number of consecutive true bits.
pub fn as_raw(&self) -> &[usize; 16]
Trait Implementations§
impl<'a> Copy for BitView<'a>
Auto Trait Implementations§
impl<'a> Freeze for BitView<'a>
impl<'a> RefUnwindSafe for BitView<'a>
impl<'a> Send for BitView<'a>
impl<'a> Sync for BitView<'a>
impl<'a> Unpin for BitView<'a>
impl<'a> UnwindSafe for BitView<'a>
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