Trait QueryKey 

pub trait QueryKey: KeyBase {
    // Required method
    fn cmp(&self, key: &[u8]) -> Ordering;
}

A trait for keys that can be used to query the database. They need to allow hashing and comparison with a byte slice (total order).

Required Methods

fn cmp(&self, key: &[u8]) -> Ordering

Dyn Compatibility

This trait is not dyn compatible.

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

Implementations on Foreign Types

impl QueryKey for &[u8]

fn cmp(&self, key: &[u8]) -> Ordering

impl QueryKey for Box<[u8]>

fn cmp(&self, key: &[u8]) -> Ordering

impl QueryKey for Vec<u8>

fn cmp(&self, key: &[u8]) -> Ordering

impl QueryKey for u8

fn cmp(&self, key: &[u8]) -> Ordering

impl<A: QueryKey, B: QueryKey> QueryKey for (A, B)

fn cmp(&self, key: &[u8]) -> Ordering

impl<T: QueryKey> QueryKey for &T

fn cmp(&self, key: &[u8]) -> Ordering

impl<const N: usize> QueryKey for [u8; N]

fn cmp(&self, key: &[u8]) -> Ordering

Implementors