Trait HandleCore

pub trait HandleCore:
    Clone
    + Copy
    + Eq
    + PartialEq
    + Hash
    + Debug
    + Ord
    + PartialOrd {
    // Required methods
    fn into_index(self) -> usize;
    fn from_index(index: usize) -> Self;
}

A type that may serve as the internal representation of a Handle.

A Handle is defined by a single field known as its core. The core identifies the handled object, and is an instance of a lightweight type that implements HandleCore. It should be convertible from and to a usize, which represents the handled object’s serial-number.

Required Methods

fn into_index(self) -> usize

Get the serial number represented by this HandleCore.

fn from_index(index: usize) -> Self

Transform a serial number into an identifying HandleCore.

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 HandleCore for u8

fn into_index(self) -> usize

fn from_index(index: usize) -> Self

impl HandleCore for u16

fn into_index(self) -> usize

fn from_index(index: usize) -> Self

Implementors