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Usage of Cell in Rust

Nikola Anicic answered on August 8, 2022 Popularity 3/10 Helpfulness 1/10

answer Usage of Cell in Rust

Usage of Cell in Rust

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use std::cell::Cell;

#[derive(Debug)]
struct XStruct<'a> {
    x: &'a Cell<i32>,
}

fn add_and_print(x_struct: &XStruct) {
    let x = x_struct.x.get();
    x_struct.x.set(x + 1);

    println!("The value of x_struct in add_and_print is {:?}.", x_struct);
}

fn main() {
    let cell_x = Cell::new(1);
    let x_struct = XStruct { x: &cell_x };

    add_and_print(&x_struct);

    let x = cell_x.get();
    cell_x.set(x + 1);

    println!("Final value of x_struct is {:?}.", x_struct);
    println!("Final value of x is {:?}.", cell_x);
}

Popularity 3/10 Helpfulness 1/10 Language rust

Source: badboi.dev

Tags: cell rust

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Contributed on Aug 08 2022

Nikola Anicic

0 Answers Avg Quality 2/10

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