diff options
Diffstat (limited to 'vendor/rayon/src/compile_fail')
-rw-r--r-- | vendor/rayon/src/compile_fail/cannot_collect_filtermap_data.rs | 14 | ||||
-rw-r--r-- | vendor/rayon/src/compile_fail/cannot_zip_filtered_data.rs | 14 | ||||
-rw-r--r-- | vendor/rayon/src/compile_fail/cell_par_iter.rs | 13 | ||||
-rw-r--r-- | vendor/rayon/src/compile_fail/mod.rs | 7 | ||||
-rw-r--r-- | vendor/rayon/src/compile_fail/must_use.rs | 69 | ||||
-rw-r--r-- | vendor/rayon/src/compile_fail/no_send_par_iter.rs | 58 | ||||
-rw-r--r-- | vendor/rayon/src/compile_fail/rc_par_iter.rs | 15 |
7 files changed, 190 insertions, 0 deletions
diff --git a/vendor/rayon/src/compile_fail/cannot_collect_filtermap_data.rs b/vendor/rayon/src/compile_fail/cannot_collect_filtermap_data.rs new file mode 100644 index 0000000..bb62ce0 --- /dev/null +++ b/vendor/rayon/src/compile_fail/cannot_collect_filtermap_data.rs @@ -0,0 +1,14 @@ +/*! ```compile_fail,E0599 + +use rayon::prelude::*; + +// zip requires data of exact size, but filter yields only bounded +// size, so check that we cannot apply it. + +let a: Vec<usize> = (0..1024).collect(); +let mut v = vec![]; +a.par_iter() + .filter_map(|&x| Some(x as f32)) + .collect_into_vec(&mut v); //~ ERROR no method + +``` */ diff --git a/vendor/rayon/src/compile_fail/cannot_zip_filtered_data.rs b/vendor/rayon/src/compile_fail/cannot_zip_filtered_data.rs new file mode 100644 index 0000000..54fd50d --- /dev/null +++ b/vendor/rayon/src/compile_fail/cannot_zip_filtered_data.rs @@ -0,0 +1,14 @@ +/*! ```compile_fail,E0277 + +use rayon::prelude::*; + +// zip requires data of exact size, but filter yields only bounded +// size, so check that we cannot apply it. + +let mut a: Vec<usize> = (0..1024).rev().collect(); +let b: Vec<usize> = (0..1024).collect(); + +a.par_iter() + .zip(b.par_iter().filter(|&&x| x > 3)); //~ ERROR + +``` */ diff --git a/vendor/rayon/src/compile_fail/cell_par_iter.rs b/vendor/rayon/src/compile_fail/cell_par_iter.rs new file mode 100644 index 0000000..98a1cf9 --- /dev/null +++ b/vendor/rayon/src/compile_fail/cell_par_iter.rs @@ -0,0 +1,13 @@ +/*! ```compile_fail,E0277 + +// Check that we can't use the par-iter API to access contents of a `Cell`. + +use rayon::prelude::*; +use std::cell::Cell; + +let c = Cell::new(42_i32); +(0_i32..1024).into_par_iter() + .map(|_| c.get()) //~ ERROR E0277 + .min(); + +``` */ diff --git a/vendor/rayon/src/compile_fail/mod.rs b/vendor/rayon/src/compile_fail/mod.rs new file mode 100644 index 0000000..13209a4 --- /dev/null +++ b/vendor/rayon/src/compile_fail/mod.rs @@ -0,0 +1,7 @@ +// These modules contain `compile_fail` doc tests. +mod cannot_collect_filtermap_data; +mod cannot_zip_filtered_data; +mod cell_par_iter; +mod must_use; +mod no_send_par_iter; +mod rc_par_iter; diff --git a/vendor/rayon/src/compile_fail/must_use.rs b/vendor/rayon/src/compile_fail/must_use.rs new file mode 100644 index 0000000..b4b3d77 --- /dev/null +++ b/vendor/rayon/src/compile_fail/must_use.rs @@ -0,0 +1,69 @@ +// Check that we are flagged for ignoring `must_use` parallel adaptors. +// (unfortunately there's no error code for `unused_must_use`) + +macro_rules! must_use { + ($( $name:ident #[$expr:meta] )*) => {$( + /// First sanity check that the expression is OK. + /// + /// ``` + /// #![deny(unused_must_use)] + /// + /// use rayon::prelude::*; + /// + /// let v: Vec<_> = (0..100).map(Some).collect(); + /// let _ = + #[$expr] + /// ``` + /// + /// Now trigger the `must_use`. + /// + /// ```compile_fail + /// #![deny(unused_must_use)] + /// + /// use rayon::prelude::*; + /// + /// let v: Vec<_> = (0..100).map(Some).collect(); + #[$expr] + /// ``` + mod $name {} + )*} +} + +must_use! { + step_by /** v.par_iter().step_by(2); */ + chain /** v.par_iter().chain(&v); */ + chunks /** v.par_iter().chunks(2); */ + fold_chunks /** v.par_iter().fold_chunks(2, || 0, |x, _| x); */ + fold_chunks_with /** v.par_iter().fold_chunks_with(2, 0, |x, _| x); */ + cloned /** v.par_iter().cloned(); */ + copied /** v.par_iter().copied(); */ + enumerate /** v.par_iter().enumerate(); */ + filter /** v.par_iter().filter(|_| true); */ + filter_map /** v.par_iter().filter_map(|x| *x); */ + flat_map /** v.par_iter().flat_map(|x| *x); */ + flat_map_iter /** v.par_iter().flat_map_iter(|x| *x); */ + flatten /** v.par_iter().flatten(); */ + flatten_iter /** v.par_iter().flatten_iter(); */ + fold /** v.par_iter().fold(|| 0, |x, _| x); */ + fold_with /** v.par_iter().fold_with(0, |x, _| x); */ + try_fold /** v.par_iter().try_fold(|| 0, |x, _| Some(x)); */ + try_fold_with /** v.par_iter().try_fold_with(0, |x, _| Some(x)); */ + inspect /** v.par_iter().inspect(|_| {}); */ + interleave /** v.par_iter().interleave(&v); */ + interleave_shortest /** v.par_iter().interleave_shortest(&v); */ + intersperse /** v.par_iter().intersperse(&None); */ + map /** v.par_iter().map(|x| x); */ + map_with /** v.par_iter().map_with(0, |_, x| x); */ + map_init /** v.par_iter().map_init(|| 0, |_, x| x); */ + panic_fuse /** v.par_iter().panic_fuse(); */ + positions /** v.par_iter().positions(|_| true); */ + rev /** v.par_iter().rev(); */ + skip /** v.par_iter().skip(1); */ + take /** v.par_iter().take(1); */ + update /** v.par_iter().update(|_| {}); */ + while_some /** v.par_iter().cloned().while_some(); */ + with_max_len /** v.par_iter().with_max_len(1); */ + with_min_len /** v.par_iter().with_min_len(1); */ + zip /** v.par_iter().zip(&v); */ + zip_eq /** v.par_iter().zip_eq(&v); */ +} diff --git a/vendor/rayon/src/compile_fail/no_send_par_iter.rs b/vendor/rayon/src/compile_fail/no_send_par_iter.rs new file mode 100644 index 0000000..7573c03 --- /dev/null +++ b/vendor/rayon/src/compile_fail/no_send_par_iter.rs @@ -0,0 +1,58 @@ +// Check that `!Send` types fail early. + +/** ```compile_fail,E0277 + +use rayon::prelude::*; +use std::ptr::null; + +#[derive(Copy, Clone)] +struct NoSend(*const ()); + +unsafe impl Sync for NoSend {} + +let x = Some(NoSend(null())); + +x.par_iter() + .map(|&x| x) //~ ERROR + .count(); //~ ERROR + +``` */ +mod map {} + +/** ```compile_fail,E0277 + +use rayon::prelude::*; +use std::ptr::null; + +#[derive(Copy, Clone)] +struct NoSend(*const ()); + +unsafe impl Sync for NoSend {} + +let x = Some(NoSend(null())); + +x.par_iter() + .filter_map(|&x| Some(x)) //~ ERROR + .count(); //~ ERROR + +``` */ +mod filter_map {} + +/** ```compile_fail,E0277 + +use rayon::prelude::*; +use std::ptr::null; + +#[derive(Copy, Clone)] +struct NoSend(*const ()); + +unsafe impl Sync for NoSend {} + +let x = Some(NoSend(null())); + +x.par_iter() + .cloned() //~ ERROR + .count(); //~ ERROR + +``` */ +mod cloned {} diff --git a/vendor/rayon/src/compile_fail/rc_par_iter.rs b/vendor/rayon/src/compile_fail/rc_par_iter.rs new file mode 100644 index 0000000..aca63e7 --- /dev/null +++ b/vendor/rayon/src/compile_fail/rc_par_iter.rs @@ -0,0 +1,15 @@ +/*! ```compile_fail,E0599 + +// Check that we can't use the par-iter API to access contents of an +// `Rc`. + +use rayon::prelude::*; +use std::rc::Rc; + +let x = vec![Rc::new(22), Rc::new(23)]; +let mut y = vec![]; +x.into_par_iter() //~ ERROR no method named `into_par_iter` + .map(|rc| *rc) + .collect_into_vec(&mut y); + +``` */ |