Struct unique_token::Unique

pub struct Unique(_);

This type represents a unique token.

Examples

use unique_token::Unique;

let x = Unique::new();
let y = Unique::new();

// clones are equal
assert_eq!(x, x.clone());
assert_eq!(y, y.clone());

// tokens from different calls are unequal
assert_ne!(x, y);

Implementation

Each token carries an Arc (not the std one, but a variant from triomphe that doesn’t track weak references). Equality checks are implemented as a pointer check on the zero-sized type (unit) inside the Arc.

Implementations

impl Unique

pub fn new() -> Self

Create a new token.

All tokens created by this function compare unequal.

Trait Implementations

impl Clone for Unique

fn clone(&self) -> Unique

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Unique

fn fmt(&self, fmt: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl From<&'_ Unique> for usize

fn from(token: &Unique) -> usize

Converts to this type from the input type.

impl Hash for Unique

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl PartialEq<Unique> for Unique

fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Eq for Unique

impl StructuralEq for Unique