Unique-Token
Create unique tokens.
Example
use Unique;
let x = new;
let y = new;
// different tokens are unequal
assert_ne!;
// clones are equal
assert_eq!;
assert_eq!;
Create unique tokens.
use unique_token::Unique;
let x = Unique::new();
let y = Unique::new();
// different tokens are unequal
assert_ne!(x, y);
// clones are equal
assert_eq!(x, x.clone());
assert_eq!(y, y.clone());