#cell #options #value #cloning

take-cell-option

Utility for taking the value from a cell of a option without cloning

3 releases

0.1.2 Feb 28, 2020
0.1.1 Feb 28, 2020
0.1.0 Feb 28, 2020

#2919 in Rust patterns

MIT/Apache

6KB

Take Cell Option

Utility for taking the value from a cell of a option without cloning.

Usage

Add take-cell-option = "0.1" to your dependencies.

Example

use take_cell_option::take;
use core::cell::Cell;

let cell = Cell::new(Some(Box::new(10)));
let v = take(&cell);
assert_eq!(*v.unwrap(), 10);
assert!(cell.into_inner().is_none());

lib.rs:

Utility for taking the value from a Cell<Option<T>> without cloning.

After taking, the cell will have a None.

Example

use take_cell_option::take;
use core::cell::Cell;

let cell = Cell::new(Some(Box::new(10)));
let v = take(&cell);
assert_eq!(*v.unwrap(), 10);
assert!(cell.into_inner().is_none());

No runtime deps