Enum microkelvin::Token

pub enum Token {
    Active,
    Vacant,
}

Marker type to be associated with write permissions to a backend

Variants

Active

Token is active, being passed around or used to guard the write buffer

Vacant

Token is somewhere else, no write permissions can be granted

Implementations

impl Token

pub fn new() -> Self

Create a new token

pub fn vacant(&self) -> bool

Is the token being passed around?

pub fn take(&mut self) -> Option<Token>

Take the token from the slot, if any

pub fn return_token(&mut self, token: Token)

Put the token back in its place

Trait Implementations

impl Debug for Token

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

Formats the value using the given formatter.