Struct gstd::sync::RwLockWriteFuture

pub struct RwLockWriteFuture<'a, T> { /* private fields */ }

The future returned by the write method.

The output of the future is the RwLockWriteGuard that can be obtained by using await syntax.

Examples

use gstd::sync::{RwLock, RwLockWriteFuture, RwLockWriteGuard};

#[gstd::async_main]
async fn main() {
    let rwlock: RwLock<i32> = RwLock::new(42);
    let future: RwLockWriteFuture<i32> = rwlock.write();
    let mut guard: RwLockWriteGuard<i32> = future.await;
    let value: i32 = *guard;
    assert_eq!(value, 42);
    *guard = 84;
    assert_eq!(*guard, 42);
}

Trait Implementations

impl<'a, T> Future for RwLockWriteFuture<'a, T>

type Output = RwLockWriteGuard<'a, T>

The type of value produced on completion.

fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.