Trait IntKey

pub trait IntKey: Sized + Copy {
    type Buf: AsRef<[u8]> + AsMut<[u8]> + Into<Vec<u8>> + Default;

    // Required methods
    fn to_cw_bytes(&self) -> Self::Buf;
    fn from_cw_bytes(bytes: Self::Buf) -> Self;
}

Our int keys are simply the big-endian representation bytes for unsigned ints, but “sign-flipped” (xored msb) big-endian bytes for signed ints.

So that the representation of signed integers is in the right lexicographical order.

Required Associated Types

type Buf: AsRef<[u8]> + AsMut<[u8]> + Into<Vec<u8>> + Default

Required Methods

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl IntKey for i8

type Buf = [u8; 1]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

impl IntKey for i16

type Buf = [u8; 2]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

impl IntKey for i32

type Buf = [u8; 4]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

impl IntKey for i64

type Buf = [u8; 8]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

impl IntKey for i128

type Buf = [u8; 16]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

impl IntKey for u8

type Buf = [u8; 1]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

impl IntKey for u16

type Buf = [u8; 2]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

impl IntKey for u32

type Buf = [u8; 4]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

impl IntKey for u64

type Buf = [u8; 8]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

impl IntKey for u128

type Buf = [u8; 16]

fn to_cw_bytes(&self) -> Self::Buf

fn from_cw_bytes(bytes: Self::Buf) -> Self

Implementors