Struct QrwCell

pub struct QrwCell<T> { /* private fields */ }

A quick read-write cell.

Implementations

impl<T> QrwCell<T>

pub const fn new() -> Self

Create a new cell.

pub fn with_value(value: T) -> Self

Create a new cell with a value.

pub fn get(&self) -> Arc<T>

Get the current value of the cell.

This function will panic if the cell is in an uninitialized state.

pub fn get_weak(&self) -> Weak<T>

Get the current value of the cell (as a weak pointer).

This function will panic if the cell is in an uninitialized state.

pub fn update(&self, value: T) -> Arc<T>

Update the cell, returning the old value.

If the cell did not previously have a value, the same value is returned.

impl<T: Default> QrwCell<T>

pub fn update_with_default(&self) -> Arc<T>

Update the cell with the default value for this type, returning the old value.

Trait Implementations

impl<T: Default> Default for QrwCell<T>

fn default() -> Self

Returns the “default value” for a type.