projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 532ac7d7 XL |
1 | // Check that `!Send` types fail early. |
| 2 | ||
| 923072b8 | 3 | /** ```compile_fail,E0277 |
| 532ac7d7 XL |
4 | |
| 5 | use rayon::prelude::*; | |
| 6 | use std::ptr::null; | |
| 7 | ||
| 8 | #[derive(Copy, Clone)] | |
| 9 | struct NoSend(*const ()); | |
| 10 | ||
| 11 | unsafe impl Sync for NoSend {} | |
| 12 | ||
| 13 | fn main() { | |
| 14 | let x = Some(NoSend(null())); | |
| 15 | ||
| 16 | x.par_iter() | |
| 17 | .map(|&x| x) //~ ERROR | |
| 18 | .count(); //~ ERROR | |
| 19 | } | |
| 20 | ||
| 21 | ``` */ | |
| 22 | mod map {} | |
| 23 | ||
| 923072b8 | 24 | /** ```compile_fail,E0277 |
| 532ac7d7 XL |
25 | |
| 26 | use rayon::prelude::*; | |
| 27 | use std::ptr::null; | |
| 28 | ||
| 29 | #[derive(Copy, Clone)] | |
| 30 | struct NoSend(*const ()); | |
| 31 | ||
| 32 | unsafe impl Sync for NoSend {} | |
| 33 | ||
| 34 | fn main() { | |
| 35 | let x = Some(NoSend(null())); | |
| 36 | ||
| 37 | x.par_iter() | |
| 38 | .filter_map(|&x| Some(x)) //~ ERROR | |
| 39 | .count(); //~ ERROR | |
| 40 | } | |
| 41 | ||
| 42 | ``` */ | |
| 43 | mod filter_map {} | |
| 44 | ||
| 923072b8 | 45 | /** ```compile_fail,E0277 |
| 532ac7d7 XL |
46 | |
| 47 | use rayon::prelude::*; | |
| 48 | use std::ptr::null; | |
| 49 | ||
| 50 | #[derive(Copy, Clone)] | |
| 51 | struct NoSend(*const ()); | |
| 52 | ||
| 53 | unsafe impl Sync for NoSend {} | |
| 54 | ||
| 55 | fn main() { | |
| 56 | let x = Some(NoSend(null())); | |
| 57 | ||
| 58 | x.par_iter() | |
| 59 | .cloned() //~ ERROR | |
| 60 | .count(); //~ ERROR | |
| 61 | } | |
| 62 | ||
| 63 | ``` */ | |
| 64 | mod cloned {} |