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
79
80
81
82
83

//! Compile fail tests
//!
//! # `Send`-ness
//!
//! Collections of `Send`-able things are `Send`
//!
//! ```
//! use heapless::Vec;
//! use heapless::spsc::{Consumer, Queue, Producer};
//! use heapless::consts::*;
//!
//! struct IsSend;
//!
//! unsafe impl Send for IsSend {}
//!
//! fn is_send<T>() where T: Send {}
//!
//! is_send::<Consumer<IsSend, U4>>();
//! is_send::<Producer<IsSend, U4>>();
//! is_send::<Queue<IsSend, U4>>();
//! is_send::<Vec<IsSend, U4>>();
//! ```
//!
//! Collections of non-`Send`-able things are *not* `Send`
//!
//! ``` compile_fail
//! use std::marker::PhantomData;
//! use heapless::ring_buffer::Consumer;
//! use heapless::consts::*;
//!
//! type NotSend = PhantomData<*const ()>;
//!
//! fn is_send<T>() where T: Send {}
//!
//! is_send::<Consumer<NotSend, U4>>();
//! ```
//!
//! ``` compile_fail
//! use std::marker::PhantomData;
//! use heapless::ring_buffer::Producer;
//! use heapless::consts::*;
//!
//! type NotSend = PhantomData<*const ()>;
//!
//! fn is_send<T>() where T: Send {}
//!
//! is_send::<Producer<NotSend, U4>>();
//! ```
//!
//! ``` compile_fail
//! use std::marker::PhantomData;
//! use heapless::spsc::Queue;
//!
//! type NotSend = PhantomData<*const ()>;
//!
//! fn is_send<T>() where T: Send {}
//!
//! is_send::<Queue<NotSend, [NotSend; 4]>>();
//! ```
//!
//! ``` compile_fail
//! use std::marker::PhantomData;
//! use heapless::Vec;
//!
//! type NotSend = PhantomData<*const ()>;
//!
//! fn is_send<T>() where T: Send {}
//!
//! is_send::<Vec<NotSend, [NotSend; 4]>>();
//! ```
//!
//! # Freeze
//!
//! Splitting a `Queue` should invalidate the original reference.
//!
//! ``` compile_fail
//! use heapless::spsc::Queue;
//!
//! let mut rb: Queue<u8, [u8; 4]> = Queue::new();
//!
//! let (p, c) = rb.split();
//! rb.enqueue(0).unwrap();
//! ```