Trait Ownable 

pub trait Ownable {
    type Item;

    // Required methods
    fn take(&mut self) -> TakenGuard<'_, Self, Self::Item>
       where Self: Sized;
    fn read(&self) -> Option<&Self::Item>;
    fn put_back(&mut self, val: Self::Item);
    fn is_available(&self) -> bool;
}

Defines the core structure of a Container that holds a value which can be moved out and returned to it Allowing mutation by moving and returning, or simply reading directly from it.

Required Associated Types

type Item

Required Methods

fn take(&mut self) -> TakenGuard<'_, Self, Self::Item>

where Self: Sized,

fn read(&self) -> Option<&Self::Item>

fn put_back(&mut self, val: Self::Item)

fn is_available(&self) -> bool

Implementors

impl<T> Ownable for OwnableCell<T>

Defines a Cell that holds a number, takes and mutates it and then reads from the Cell again.

Examples

let mut source = OwnableCell::Available(100);
{
    let mut guard = item.take();
    *guard.unwrap() += 100;
}
assert_eq!(200, source.read().unwrap());

type Item = T