1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
use super::DataSize;
use core::mem::size_of;
impl<T> DataSize for futures::channel::oneshot::Sender<T> {
const IS_DYNAMIC: bool = false;
const STATIC_HEAP_SIZE: usize = 0;
#[inline]
fn estimate_heap_size(&self) -> usize {
0
}
}
// Note: We attribute the value to be sent/received to the receiver. This is still wildly inaccurate
// though.
impl<T> DataSize for futures::channel::oneshot::Receiver<T> {
const IS_DYNAMIC: bool = false;
const STATIC_HEAP_SIZE: usize = size_of::<T>() + 3 * size_of::<usize>();
#[inline]
fn estimate_heap_size(&self) -> usize {
// Missing: Lock<Option<Waker>>, approximated by three pointers each.
Self::STATIC_HEAP_SIZE
}
}
|
