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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
#![deny(
missing_debug_implementations,
missing_docs,
clippy::all,
clippy::cargo
)]
mod scope;
mod stream;
mod try_stream;
mod yielder;
pub use self::stream::AsyncStream;
pub use self::try_stream::AsyncTryStream;
pub use self::yielder::Yielder;
pub(crate) fn next_id() -> u64 {
use std::sync::atomic::{AtomicU64, Ordering};
static ID: AtomicU64 = AtomicU64::new(1);
ID.fetch_add(1, Ordering::Relaxed)
}
#[macro_export]
macro_rules! stream {
{$($block:tt)*} => {
$crate::AsyncStream::new(|mut __y| async move{
#[allow(unused_macros)]
macro_rules! yield_ {
($v:expr) => {
__y.yield_($v).await
};
}
$($block)*
})
}
}
#[macro_export]
macro_rules! try_stream{
{$($block:tt)*} => {
$crate::AsyncTryStream::new(|mut __y| async move{
macro_rules! yield_ {
($v:expr) => {
__y.yield_ok($v).await
};
}
$($block)*
})
}
}