use std::cmp::Ordering;
use std::hash::{Hash, Hasher};
use std::ops::{Deref, DerefMut};
#[cfg(feature = "util-serde")]
use serde::{Deserialize, Serialize};
#[derive(Debug)]
#[cfg_attr(feature = "util-serde", derive(Serialize, Deserialize))]
pub struct Id<T> {
id: usize,
inner: T,
}
impl<T> Id<T> {
#[inline]
pub fn new(id: usize, inner: T) -> Self {
Self { id, inner }
}
#[inline]
pub fn id(&self) -> usize {
self.id
}
#[inline]
pub fn set_id(&mut self, id: usize) {
self.id = id;
}
}
impl<T> Clone for Id<T>
where
T: Clone,
{
fn clone(&self) -> Self {
Self {
id: self.id,
inner: self.inner.clone(),
}
}
}
impl<T> PartialOrd for Id<T> {
#[inline]
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl<T> Ord for Id<T> {
#[inline]
fn cmp(&self, other: &Self) -> Ordering {
self.id.cmp(&other.id)
}
}
impl<T> PartialEq for Id<T> {
#[inline]
fn eq(&self, other: &Self) -> bool {
self.id == other.id
}
}
impl<T> Eq for Id<T> {}
impl<T> Hash for Id<T> {
#[inline]
fn hash<H: Hasher>(&self, state: &mut H) {
state.write_usize(self.id)
}
}
impl<T> Deref for Id<T> {
type Target = T;
#[inline]
fn deref(&self) -> &Self::Target {
&self.inner
}
}
impl<T> DerefMut for Id<T> {
#[inline]
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.inner
}
}