Trait Key 

pub(crate) trait Key:
    Copy
    + Zero
    + One
    + PartialEq<Self>
    + TryFrom<usize>
    + TryInto<usize>
    + Shl<usize, Output = Self>
    + Shr<usize, Output = Self>
    + Div<Self, Output = Self>
    + Rem<Self, Output = Self>
    + Mul<Self, Output = Self>
    + Not
    + Sub<Self, Output = Self>
    + BitAnd<Self, Output = Self>
    + WrappingAdd
    + WrappingNeg {
    // Provided methods
    fn from_bucket_index(i: usize) -> Self { ... }
    fn into_bucket_index(self) -> usize { ... }
    fn low_bits_are_zero(self, num_bits: usize) -> bool { ... }
}

Types we can use as full width keys

Provided Methods

fn from_bucket_index(i: usize) -> Self

Build a Key from a bucket index.

Panics if the index is out of range.

fn into_bucket_index(self) -> usize

Convert this Key back into a bucket index.

Panics if the value would not fit in a usize. No other range checking on the bucket index is enforced here.

fn low_bits_are_zero(self, num_bits: usize) -> bool

Check if the N low bits of the key are zero.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<T: Copy + Zero + One + PartialEq<Self> + TryFrom<usize> + TryInto<usize> + Shl<usize, Output = Self> + Shr<usize, Output = Self> + Div<Self, Output = Self> + Rem<Self, Output = Self> + Mul<Self, Output = Self> + Not + Sub<Self, Output = Self> + BitAnd<Self, Output = Self> + WrappingAdd + WrappingNeg> Key for T