From ad2b34d0e37e2f968f226e2401bcb894207ca1c5 Mon Sep 17 00:00:00 2001 From: KaDiWa Date: Tue, 9 Aug 2022 02:14:43 +0200 Subject: [PATCH] remove some unneeded imports --- library/alloc/benches/btree/map.rs | 1 - library/alloc/benches/vec.rs | 2 +- library/alloc/src/boxed.rs | 7 +--- .../alloc/src/collections/binary_heap/mod.rs | 4 +- library/alloc/src/collections/btree/map.rs | 5 +-- .../alloc/src/collections/btree/map/tests.rs | 3 +- library/alloc/src/collections/btree/set.rs | 4 +- .../alloc/src/collections/btree/set/tests.rs | 1 - library/alloc/src/collections/linked_list.rs | 3 +- .../src/collections/vec_deque/into_iter.rs | 1 - .../alloc/src/collections/vec_deque/mod.rs | 2 +- library/alloc/src/raw_vec.rs | 1 - library/alloc/src/rc.rs | 22 +++++----- library/alloc/src/string.rs | 4 +- library/alloc/src/sync.rs | 13 +++--- library/alloc/src/vec/cow.rs | 1 - library/alloc/src/vec/into_iter.rs | 2 +- library/alloc/src/vec/mod.rs | 7 +--- library/core/src/iter/sources/repeat_with.rs | 1 - library/core/src/iter/traits/iterator.rs | 1 - library/core/src/net/parser.rs | 2 +- library/core/src/primitive_docs.rs | 6 --- library/core/src/sync/exclusive.rs | 3 -- .../crates/core_simd/src/masks/full_masks.rs | 2 +- library/proc_macro/src/bridge/fxhash.rs | 2 - library/proc_macro/src/lib.rs | 6 +-- library/std/src/collections/hash/map.rs | 1 - library/std/src/collections/hash/set.rs | 1 - library/std/src/collections/mod.rs | 2 - library/std/src/ffi/os_str.rs | 1 - library/std/src/io/error.rs | 1 - library/std/src/keyword_docs.rs | 2 +- library/std/src/path.rs | 42 +++++++++---------- library/std/src/prelude/mod.rs | 6 +-- library/std/src/primitive_docs.rs | 6 --- .../std/src/sys/sgx/abi/usercalls/alloc.rs | 1 - library/std/src/sys/unix/futex.rs | 2 - library/std/src/sys/unix/os.rs | 1 - .../src/sys/unix/process/process_fuchsia.rs | 2 - library/std/src/sys_common/net.rs | 1 - src/bootstrap/cache.rs | 3 +- src/librustdoc/clean/mod.rs | 1 - src/librustdoc/clean/types.rs | 3 +- src/librustdoc/config.rs | 1 - src/librustdoc/html/markdown.rs | 1 - src/librustdoc/html/render/mod.rs | 1 - src/librustdoc/html/render/search_index.rs | 2 +- src/librustdoc/json/conversions.rs | 1 - src/librustdoc/lib.rs | 1 - src/tools/bump-stage0/src/main.rs | 1 - src/tools/tidy/src/bins.rs | 4 +- src/tools/tidy/src/pal.rs | 1 - .../src/raw_emitter.rs | 1 - .../unicode-table-generator/src/skiplist.rs | 1 - tests/ui/hygiene/panic-location.run.stderr | 2 +- 55 files changed, 64 insertions(+), 135 deletions(-) diff --git a/library/alloc/benches/btree/map.rs b/library/alloc/benches/btree/map.rs index 1f6b87fb0e40f..ec1b0a8eba039 100644 --- a/library/alloc/benches/btree/map.rs +++ b/library/alloc/benches/btree/map.rs @@ -1,5 +1,4 @@ use std::collections::BTreeMap; -use std::iter::Iterator; use std::ops::RangeBounds; use std::vec::Vec; diff --git a/library/alloc/benches/vec.rs b/library/alloc/benches/vec.rs index 663f6b9dd1c9c..c1d3e1bdfe79d 100644 --- a/library/alloc/benches/vec.rs +++ b/library/alloc/benches/vec.rs @@ -1,5 +1,5 @@ use rand::RngCore; -use std::iter::{repeat, FromIterator}; +use std::iter::repeat; use test::{black_box, Bencher}; #[bench] diff --git a/library/alloc/src/boxed.rs b/library/alloc/src/boxed.rs index 09041bb119bb7..7f88327bf190a 100644 --- a/library/alloc/src/boxed.rs +++ b/library/alloc/src/boxed.rs @@ -150,16 +150,13 @@ use core::any::Any; use core::async_iter::AsyncIterator; use core::borrow; use core::cmp::Ordering; -use core::convert::{From, TryFrom}; use core::error::Error; use core::fmt; use core::future::Future; use core::hash::{Hash, Hasher}; -#[cfg(not(no_global_oom_handling))] -use core::iter::FromIterator; -use core::iter::{FusedIterator, Iterator}; +use core::iter::FusedIterator; use core::marker::Tuple; -use core::marker::{Unpin, Unsize}; +use core::marker::Unsize; use core::mem; use core::ops::{ CoerceUnsized, Deref, DerefMut, DispatchFromDyn, Generator, GeneratorState, Receiver, diff --git a/library/alloc/src/collections/binary_heap/mod.rs b/library/alloc/src/collections/binary_heap/mod.rs index bc86125c7c33c..8aa4d342e6e37 100644 --- a/library/alloc/src/collections/binary_heap/mod.rs +++ b/library/alloc/src/collections/binary_heap/mod.rs @@ -144,7 +144,7 @@ #![stable(feature = "rust1", since = "1.0.0")] use core::fmt; -use core::iter::{FromIterator, FusedIterator, InPlaceIterable, SourceIter, TrustedLen}; +use core::iter::{FusedIterator, InPlaceIterable, SourceIter, TrustedLen}; use core::mem::{self, swap, ManuallyDrop}; use core::num::NonZeroUsize; use core::ops::{Deref, DerefMut}; @@ -263,7 +263,6 @@ mod tests; /// more detailed analysis. /// /// [`core::cmp::Reverse`]: core::cmp::Reverse -/// [`Ord`]: core::cmp::Ord /// [`Cell`]: core::cell::Cell /// [`RefCell`]: core::cell::RefCell /// [push]: BinaryHeap::push @@ -1418,7 +1417,6 @@ impl FusedIterator for Iter<'_, T> {} /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: BinaryHeap::into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[stable(feature = "rust1", since = "1.0.0")] #[derive(Clone)] pub struct IntoIter { diff --git a/library/alloc/src/collections/btree/map.rs b/library/alloc/src/collections/btree/map.rs index 61db46314b780..7b378ccc01adb 100644 --- a/library/alloc/src/collections/btree/map.rs +++ b/library/alloc/src/collections/btree/map.rs @@ -3,7 +3,7 @@ use core::borrow::Borrow; use core::cmp::Ordering; use core::fmt::{self, Debug}; use core::hash::{Hash, Hasher}; -use core::iter::{FromIterator, FusedIterator}; +use core::iter::FusedIterator; use core::marker::PhantomData; use core::mem::{self, ManuallyDrop}; use core::ops::{Bound, Index, RangeBounds}; @@ -420,7 +420,6 @@ impl<'a, K: 'a, V: 'a> Default for IterMut<'a, K, V> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: IntoIterator::into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[stable(feature = "rust1", since = "1.0.0")] #[rustc_insignificant_dtor] pub struct IntoIter< @@ -650,7 +649,7 @@ impl BTreeMap { #[stable(feature = "rust1", since = "1.0.0")] pub fn clear(&mut self) { // avoid moving the allocator - mem::drop(BTreeMap { + drop(BTreeMap { root: mem::replace(&mut self.root, None), length: mem::replace(&mut self.length, 0), alloc: self.alloc.clone(), diff --git a/library/alloc/src/collections/btree/map/tests.rs b/library/alloc/src/collections/btree/map/tests.rs index 76c2f27b46634..1c6ed0b4f8bc4 100644 --- a/library/alloc/src/collections/btree/map/tests.rs +++ b/library/alloc/src/collections/btree/map/tests.rs @@ -9,8 +9,7 @@ use crate::testing::ord_chaos::{Cyclic3, Governed, Governor}; use crate::testing::rng::DeterministicRng; use crate::vec::Vec; use std::cmp::Ordering; -use std::convert::TryFrom; -use std::iter::{self, FromIterator}; +use std::iter; use std::mem; use std::ops::Bound::{self, Excluded, Included, Unbounded}; use std::ops::RangeBounds; diff --git a/library/alloc/src/collections/btree/set.rs b/library/alloc/src/collections/btree/set.rs index a7cb3948aa112..232a017314e5e 100644 --- a/library/alloc/src/collections/btree/set.rs +++ b/library/alloc/src/collections/btree/set.rs @@ -4,7 +4,7 @@ use core::cmp::Ordering::{self, Equal, Greater, Less}; use core::cmp::{max, min}; use core::fmt::{self, Debug}; use core::hash::{Hash, Hasher}; -use core::iter::{FromIterator, FusedIterator, Peekable}; +use core::iter::{FusedIterator, Peekable}; use core::mem::ManuallyDrop; use core::ops::{BitAnd, BitOr, BitXor, RangeBounds, Sub}; @@ -30,7 +30,6 @@ use crate::alloc::{Allocator, Global}; /// Iterators returned by [`BTreeSet::iter`] produce their items in order, and take worst-case /// logarithmic and amortized constant time per item returned. /// -/// [`Ord`]: core::cmp::Ord /// [`Cell`]: core::cell::Cell /// [`RefCell`]: core::cell::RefCell /// @@ -147,7 +146,6 @@ impl fmt::Debug for Iter<'_, T> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: BTreeSet#method.into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[stable(feature = "rust1", since = "1.0.0")] #[derive(Debug)] pub struct IntoIter< diff --git a/library/alloc/src/collections/btree/set/tests.rs b/library/alloc/src/collections/btree/set/tests.rs index 7b8d41a603176..a7c839d77ed4c 100644 --- a/library/alloc/src/collections/btree/set/tests.rs +++ b/library/alloc/src/collections/btree/set/tests.rs @@ -4,7 +4,6 @@ use crate::testing::rng::DeterministicRng; use crate::vec::Vec; use std::cmp::Ordering; use std::hash::{Hash, Hasher}; -use std::iter::FromIterator; use std::ops::Bound::{Excluded, Included}; use std::panic::{catch_unwind, AssertUnwindSafe}; diff --git a/library/alloc/src/collections/linked_list.rs b/library/alloc/src/collections/linked_list.rs index 080a4a14eda6e..1743a155c5abf 100644 --- a/library/alloc/src/collections/linked_list.rs +++ b/library/alloc/src/collections/linked_list.rs @@ -15,7 +15,7 @@ use core::cmp::Ordering; use core::fmt; use core::hash::{Hash, Hasher}; -use core::iter::{FromIterator, FusedIterator}; +use core::iter::FusedIterator; use core::marker::PhantomData; use core::mem; use core::ptr::NonNull; @@ -130,7 +130,6 @@ impl fmt::Debug for IterMut<'_, T> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: LinkedList::into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[derive(Clone)] #[stable(feature = "rust1", since = "1.0.0")] pub struct IntoIter { diff --git a/library/alloc/src/collections/vec_deque/into_iter.rs b/library/alloc/src/collections/vec_deque/into_iter.rs index e2b40f7912e0f..d9e274df0f5f2 100644 --- a/library/alloc/src/collections/vec_deque/into_iter.rs +++ b/library/alloc/src/collections/vec_deque/into_iter.rs @@ -12,7 +12,6 @@ use super::VecDeque; /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: VecDeque::into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[derive(Clone)] #[stable(feature = "rust1", since = "1.0.0")] pub struct IntoIter< diff --git a/library/alloc/src/collections/vec_deque/mod.rs b/library/alloc/src/collections/vec_deque/mod.rs index 05dbcdc904e05..8916b42eda05e 100644 --- a/library/alloc/src/collections/vec_deque/mod.rs +++ b/library/alloc/src/collections/vec_deque/mod.rs @@ -10,7 +10,7 @@ use core::cmp::{self, Ordering}; use core::fmt; use core::hash::{Hash, Hasher}; -use core::iter::{repeat_n, repeat_with, ByRefSized, FromIterator}; +use core::iter::{repeat_n, repeat_with, ByRefSized}; use core::mem::{ManuallyDrop, SizedTypeProperties}; use core::ops::{Index, IndexMut, Range, RangeBounds}; use core::ptr; diff --git a/library/alloc/src/raw_vec.rs b/library/alloc/src/raw_vec.rs index 3751f2a245456..dfd30d99cf041 100644 --- a/library/alloc/src/raw_vec.rs +++ b/library/alloc/src/raw_vec.rs @@ -4,7 +4,6 @@ use core::alloc::LayoutError; use core::cmp; use core::intrinsics; use core::mem::{self, ManuallyDrop, MaybeUninit, SizedTypeProperties}; -use core::ops::Drop; use core::ptr::{self, NonNull, Unique}; use core::slice; diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index 1e9cf404f77ea..cf93a40496fdf 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -15,7 +15,7 @@ //! //! [`Rc`] uses non-atomic reference counting. This means that overhead is very //! low, but an [`Rc`] cannot be sent between threads, and consequently [`Rc`] -//! does not implement [`Send`][send]. As a result, the Rust compiler +//! does not implement [`Send`]. As a result, the Rust compiler //! will check *at compile time* that you are not sending [`Rc`]s between //! threads. If you need multi-threaded, atomic reference counting, use //! [`sync::Arc`][arc]. @@ -232,7 +232,6 @@ //! [clone]: Clone::clone //! [`Cell`]: core::cell::Cell //! [`RefCell`]: core::cell::RefCell -//! [send]: core::marker::Send //! [arc]: crate::sync::Arc //! [`Deref`]: core::ops::Deref //! [downgrade]: Rc::downgrade @@ -251,13 +250,12 @@ use core::any::Any; use core::borrow; use core::cell::Cell; use core::cmp::Ordering; -use core::convert::{From, TryFrom}; use core::fmt; use core::hash::{Hash, Hasher}; use core::intrinsics::abort; #[cfg(not(no_global_oom_handling))] use core::iter; -use core::marker::{self, PhantomData, Unpin, Unsize}; +use core::marker::{PhantomData, Unsize}; #[cfg(not(no_global_oom_handling))] use core::mem::size_of_val; use core::mem::{self, align_of_val_raw, forget}; @@ -321,7 +319,7 @@ pub struct Rc { } #[stable(feature = "rust1", since = "1.0.0")] -impl !marker::Send for Rc {} +impl !Send for Rc {} // Note that this negative impl isn't strictly necessary for correctness, // as `Rc` transitively contains a `Cell`, which is itself `!Sync`. @@ -329,7 +327,7 @@ impl !marker::Send for Rc {} // having an explicit negative impl is nice for documentation purposes // and results in nicer error messages. #[stable(feature = "rust1", since = "1.0.0")] -impl !marker::Sync for Rc {} +impl !Sync for Rc {} #[stable(feature = "catch_unwind", since = "1.9.0")] impl UnwindSafe for Rc {} @@ -1060,7 +1058,7 @@ impl Rc { #[inline] #[stable(feature = "rc_mutate_strong_count", since = "1.53.0")] pub unsafe fn decrement_strong_count(ptr: *const T) { - unsafe { mem::drop(Rc::from_raw(ptr)) }; + unsafe { drop(Rc::from_raw(ptr)) }; } /// Returns `true` if there are no other `Rc` or [`Weak`] pointers to @@ -1496,7 +1494,7 @@ impl Rc<[T]> { /// /// Behavior is undefined should the size be wrong. #[cfg(not(no_global_oom_handling))] - unsafe fn from_iter_exact(iter: impl iter::Iterator, len: usize) -> Rc<[T]> { + unsafe fn from_iter_exact(iter: impl Iterator, len: usize) -> Rc<[T]> { // Panic guard while cloning T elements. // In the event of a panic, elements that have been written // into the new RcBox will be dropped, then the memory freed. @@ -2088,7 +2086,7 @@ impl TryFrom> for Rc<[T; N]> { #[cfg(not(no_global_oom_handling))] #[stable(feature = "shared_from_iter", since = "1.37.0")] -impl iter::FromIterator for Rc<[T]> { +impl FromIterator for Rc<[T]> { /// Takes each element in the `Iterator` and collects it into an `Rc<[T]>`. /// /// # Performance characteristics @@ -2127,7 +2125,7 @@ impl iter::FromIterator for Rc<[T]> { /// let evens: Rc<[u8]> = (0..10).collect(); // Just a single allocation happens here. /// # assert_eq!(&*evens, &*(0..10).collect::>()); /// ``` - fn from_iter>(iter: I) -> Self { + fn from_iter>(iter: I) -> Self { ToRcSlice::to_rc_slice(iter.into_iter()) } } @@ -2204,9 +2202,9 @@ pub struct Weak { } #[stable(feature = "rc_weak", since = "1.4.0")] -impl !marker::Send for Weak {} +impl !Send for Weak {} #[stable(feature = "rc_weak", since = "1.4.0")] -impl !marker::Sync for Weak {} +impl !Sync for Weak {} #[unstable(feature = "coerce_unsized", issue = "18598")] impl, U: ?Sized> CoerceUnsized> for Weak {} diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs index c1cd3c74ab676..be41919b9dc23 100644 --- a/library/alloc/src/string.rs +++ b/library/alloc/src/string.rs @@ -45,9 +45,9 @@ use core::error::Error; use core::fmt; use core::hash; -use core::iter::FusedIterator; #[cfg(not(no_global_oom_handling))] -use core::iter::{from_fn, FromIterator}; +use core::iter::from_fn; +use core::iter::FusedIterator; #[cfg(not(no_global_oom_handling))] use core::ops::Add; #[cfg(not(no_global_oom_handling))] diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 150924851d21d..5bfe537bc830f 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -11,14 +11,13 @@ use core::any::Any; use core::borrow; use core::cmp::Ordering; -use core::convert::{From, TryFrom}; use core::fmt; use core::hash::{Hash, Hasher}; use core::hint; use core::intrinsics::abort; #[cfg(not(no_global_oom_handling))] use core::iter; -use core::marker::{PhantomData, Unpin, Unsize}; +use core::marker::{PhantomData, Unsize}; #[cfg(not(no_global_oom_handling))] use core::mem::size_of_val; use core::mem::{self, align_of_val_raw}; @@ -188,8 +187,6 @@ macro_rules! acquire { /// [mutex]: ../../std/sync/struct.Mutex.html /// [rwlock]: ../../std/sync/struct.RwLock.html /// [atomic]: core::sync::atomic -/// [`Send`]: core::marker::Send -/// [`Sync`]: core::marker::Sync /// [deref]: core::ops::Deref /// [downgrade]: Arc::downgrade /// [upgrade]: Weak::upgrade @@ -1241,7 +1238,7 @@ impl Arc { #[inline] #[stable(feature = "arc_mutate_strong_count", since = "1.51.0")] pub unsafe fn decrement_strong_count(ptr: *const T) { - unsafe { mem::drop(Arc::from_raw(ptr)) }; + unsafe { drop(Arc::from_raw(ptr)) }; } #[inline] @@ -1404,7 +1401,7 @@ impl Arc<[T]> { /// /// Behavior is undefined should the size be wrong. #[cfg(not(no_global_oom_handling))] - unsafe fn from_iter_exact(iter: impl iter::Iterator, len: usize) -> Arc<[T]> { + unsafe fn from_iter_exact(iter: impl Iterator, len: usize) -> Arc<[T]> { // Panic guard while cloning T elements. // In the event of a panic, elements that have been written // into the new ArcInner will be dropped, then the memory freed. @@ -2818,7 +2815,7 @@ impl TryFrom> for Arc<[T; N]> { #[cfg(not(no_global_oom_handling))] #[stable(feature = "shared_from_iter", since = "1.37.0")] -impl iter::FromIterator for Arc<[T]> { +impl FromIterator for Arc<[T]> { /// Takes each element in the `Iterator` and collects it into an `Arc<[T]>`. /// /// # Performance characteristics @@ -2857,7 +2854,7 @@ impl iter::FromIterator for Arc<[T]> { /// let evens: Arc<[u8]> = (0..10).collect(); // Just a single allocation happens here. /// # assert_eq!(&*evens, &*(0..10).collect::>()); /// ``` - fn from_iter>(iter: I) -> Self { + fn from_iter>(iter: I) -> Self { ToArcSlice::to_arc_slice(iter.into_iter()) } } diff --git a/library/alloc/src/vec/cow.rs b/library/alloc/src/vec/cow.rs index 64943a273c9a5..2c799605b7b67 100644 --- a/library/alloc/src/vec/cow.rs +++ b/library/alloc/src/vec/cow.rs @@ -1,5 +1,4 @@ use crate::borrow::Cow; -use core::iter::FromIterator; use super::Vec; diff --git a/library/alloc/src/vec/into_iter.rs b/library/alloc/src/vec/into_iter.rs index 6a05f70e43747..02faf8e638948 100644 --- a/library/alloc/src/vec/into_iter.rs +++ b/library/alloc/src/vec/into_iter.rs @@ -108,7 +108,7 @@ impl IntoIter { /// ``` /// # let mut into_iter = Vec::::with_capacity(10).into_iter(); /// let mut into_iter = std::mem::replace(&mut into_iter, Vec::new().into_iter()); - /// (&mut into_iter).for_each(core::mem::drop); + /// (&mut into_iter).for_each(drop); /// std::mem::forget(into_iter); /// ``` /// diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index 9f0111db4524c..3736a6e0b0ecb 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -56,12 +56,9 @@ #[cfg(not(no_global_oom_handling))] use core::cmp; use core::cmp::Ordering; -use core::convert::TryFrom; use core::fmt; use core::hash::{Hash, Hasher}; use core::iter; -#[cfg(not(no_global_oom_handling))] -use core::iter::FromIterator; use core::marker::PhantomData; use core::mem::{self, ManuallyDrop, MaybeUninit, SizedTypeProperties}; use core::ops::{self, Index, IndexMut, Range, RangeBounds}; @@ -2990,7 +2987,7 @@ impl<'a, T: Copy + 'a, A: Allocator + 'a> Extend<&'a T> for Vec { } } -/// Implements comparison of vectors, [lexicographically](core::cmp::Ord#lexicographical-comparison). +/// Implements comparison of vectors, [lexicographically](Ord#lexicographical-comparison). #[stable(feature = "rust1", since = "1.0.0")] impl PartialOrd for Vec { #[inline] @@ -3002,7 +2999,7 @@ impl PartialOrd for Vec { #[stable(feature = "rust1", since = "1.0.0")] impl Eq for Vec {} -/// Implements ordering of vectors, [lexicographically](core::cmp::Ord#lexicographical-comparison). +/// Implements ordering of vectors, [lexicographically](Ord#lexicographical-comparison). #[stable(feature = "rust1", since = "1.0.0")] impl Ord for Vec { #[inline] diff --git a/library/core/src/iter/sources/repeat_with.rs b/library/core/src/iter/sources/repeat_with.rs index 3f34105a3e071..d3cd74a448375 100644 --- a/library/core/src/iter/sources/repeat_with.rs +++ b/library/core/src/iter/sources/repeat_with.rs @@ -19,7 +19,6 @@ use crate::ops::Try; /// please open a GitHub issue explaining your use case. /// /// [`repeat()`]: crate::iter::repeat -/// [`DoubleEndedIterator`]: crate::iter::DoubleEndedIterator /// /// # Examples /// diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs index f3d1e45f4fb6a..02877604248df 100644 --- a/library/core/src/iter/traits/iterator.rs +++ b/library/core/src/iter/traits/iterator.rs @@ -764,7 +764,6 @@ pub trait Iterator { /// more idiomatic to use [`for`] than `map()`. /// /// [`for`]: ../../book/ch03-05-control-flow.html#looping-through-a-collection-with-for - /// [`FnMut`]: crate::ops::FnMut /// /// # Examples /// diff --git a/library/core/src/net/parser.rs b/library/core/src/net/parser.rs index a08d2792d0456..b9a1924d66898 100644 --- a/library/core/src/net/parser.rs +++ b/library/core/src/net/parser.rs @@ -9,7 +9,7 @@ use crate::fmt; use crate::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6}; use crate::str::FromStr; -trait ReadNumberHelper: crate::marker::Sized { +trait ReadNumberHelper: Sized { const ZERO: Self; fn checked_mul(&self, other: u32) -> Option; fn checked_add(&self, other: u32) -> Option; diff --git a/library/core/src/primitive_docs.rs b/library/core/src/primitive_docs.rs index 51e6947a9c25a..3df990e5dd9fe 100644 --- a/library/core/src/primitive_docs.rs +++ b/library/core/src/primitive_docs.rs @@ -577,7 +577,6 @@ impl Copy for () { /// [`is_null`]: pointer::is_null /// [`offset`]: pointer::offset #[doc = concat!("[`into_raw`]: ", include_str!("../primitive_docs/box_into_raw.md"))] -/// [`drop`]: mem::drop /// [`write`]: ptr::write #[stable(feature = "rust1", since = "1.0.0")] mod prim_pointer {} @@ -1026,7 +1025,6 @@ mod prim_str {} /// * [`UnwindSafe`] /// * [`RefUnwindSafe`] /// -/// [`Unpin`]: marker::Unpin /// [`UnwindSafe`]: panic::UnwindSafe /// [`RefUnwindSafe`]: panic::RefUnwindSafe /// @@ -1405,10 +1403,6 @@ mod prim_ref {} /// /// *See also the traits [`Fn`], [`FnMut`], and [`FnOnce`].* /// -/// [`Fn`]: ops::Fn -/// [`FnMut`]: ops::FnMut -/// [`FnOnce`]: ops::FnOnce -/// /// Function pointers are pointers that point to *code*, not data. They can be called /// just like functions. Like references, function pointers are, among other things, assumed to /// not be null, so if you want to pass a function pointer over FFI and be able to accommodate null diff --git a/library/core/src/sync/exclusive.rs b/library/core/src/sync/exclusive.rs index 301ad41c96634..3f3e19c55d4ba 100644 --- a/library/core/src/sync/exclusive.rs +++ b/library/core/src/sync/exclusive.rs @@ -69,9 +69,6 @@ use core::task::{Context, Poll}; /// for any value. This is a parallel with the fact that /// `&` and `&mut` references together can be thought of as a _compile-time_ /// version of a read-write lock. -/// -/// -/// [`Sync`]: core::marker::Sync #[unstable(feature = "exclusive_wrapper", issue = "98407")] #[doc(alias = "SyncWrapper")] #[doc(alias = "SyncCell")] diff --git a/library/portable-simd/crates/core_simd/src/masks/full_masks.rs b/library/portable-simd/crates/core_simd/src/masks/full_masks.rs index adf0fcbeae2bd..b5ba198e5041b 100644 --- a/library/portable-simd/crates/core_simd/src/masks/full_masks.rs +++ b/library/portable-simd/crates/core_simd/src/masks/full_masks.rs @@ -257,7 +257,7 @@ where } } -impl core::convert::From> for Simd +impl From> for Simd where T: MaskElement, LaneCount: SupportedLaneCount, diff --git a/library/proc_macro/src/bridge/fxhash.rs b/library/proc_macro/src/bridge/fxhash.rs index 17bd0a1b33646..f4e9054419721 100644 --- a/library/proc_macro/src/bridge/fxhash.rs +++ b/library/proc_macro/src/bridge/fxhash.rs @@ -5,8 +5,6 @@ //! on the `rustc_hash` crate. use std::collections::HashMap; -use std::convert::TryInto; -use std::default::Default; use std::hash::BuildHasherDefault; use std::hash::Hasher; use std::mem::size_of; diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs index 938935771d64e..9d081c8b842d5 100644 --- a/library/proc_macro/src/lib.rs +++ b/library/proc_macro/src/lib.rs @@ -47,7 +47,7 @@ use std::cmp::Ordering; use std::ops::RangeBounds; use std::path::PathBuf; use std::str::FromStr; -use std::{error, fmt, iter}; +use std::{error, fmt}; /// Determines whether proc_macro has been made accessible to the currently /// running program. @@ -310,7 +310,7 @@ impl ConcatStreamsHelper { /// Collects a number of token trees into a single stream. #[stable(feature = "proc_macro_lib2", since = "1.29.0")] -impl iter::FromIterator for TokenStream { +impl FromIterator for TokenStream { fn from_iter>(trees: I) -> Self { let iter = trees.into_iter(); let mut builder = ConcatTreesHelper::new(iter.size_hint().0); @@ -322,7 +322,7 @@ impl iter::FromIterator for TokenStream { /// A "flattening" operation on token streams, collects token trees /// from multiple token streams into a single stream. #[stable(feature = "proc_macro_lib", since = "1.15.0")] -impl iter::FromIterator for TokenStream { +impl FromIterator for TokenStream { fn from_iter>(streams: I) -> Self { let iter = streams.into_iter(); let mut builder = ConcatStreamsHelper::new(iter.size_hint().0); diff --git a/library/std/src/collections/hash/map.rs b/library/std/src/collections/hash/map.rs index 742c4cc7c5539..3afc8287ecc00 100644 --- a/library/std/src/collections/hash/map.rs +++ b/library/std/src/collections/hash/map.rs @@ -1446,7 +1446,6 @@ impl<'a, K, V> IterMut<'a, K, V> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: IntoIterator::into_iter -/// [`IntoIterator`]: crate::iter::IntoIterator /// /// # Example /// diff --git a/library/std/src/collections/hash/set.rs b/library/std/src/collections/hash/set.rs index 837a18bff6087..ac906e682d5f0 100644 --- a/library/std/src/collections/hash/set.rs +++ b/library/std/src/collections/hash/set.rs @@ -1272,7 +1272,6 @@ pub struct Iter<'a, K: 'a> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: IntoIterator::into_iter -/// [`IntoIterator`]: crate::iter::IntoIterator /// /// # Examples /// diff --git a/library/std/src/collections/mod.rs b/library/std/src/collections/mod.rs index 575f56ff4df29..49d3b7a1f6143 100644 --- a/library/std/src/collections/mod.rs +++ b/library/std/src/collections/mod.rs @@ -395,8 +395,6 @@ //! // ...but the key hasn't changed. b is still "baz", not "xyz". //! assert_eq!(map.keys().next().unwrap().b, "baz"); //! ``` -//! -//! [IntoIterator]: crate::iter::IntoIterator "iter::IntoIterator" #![stable(feature = "rust1", since = "1.0.0")] diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs index 80ed34157e6dc..5c0541d3caf33 100644 --- a/library/std/src/ffi/os_str.rs +++ b/library/std/src/ffi/os_str.rs @@ -6,7 +6,6 @@ use crate::cmp; use crate::collections::TryReserveError; use crate::fmt; use crate::hash::{Hash, Hasher}; -use crate::iter::Extend; use crate::ops; use crate::rc::Rc; use crate::str::FromStr; diff --git a/library/std/src/io/error.rs b/library/std/src/io/error.rs index 1cedd6eedfaf9..34c0ce9dcf848 100644 --- a/library/std/src/io/error.rs +++ b/library/std/src/io/error.rs @@ -11,7 +11,6 @@ mod repr_unpacked; #[cfg(not(target_pointer_width = "64"))] use repr_unpacked::Repr; -use crate::convert::From; use crate::error; use crate::fmt; use crate::result; diff --git a/library/std/src/keyword_docs.rs b/library/std/src/keyword_docs.rs index 203c490fa29a6..43842bee992a7 100644 --- a/library/std/src/keyword_docs.rs +++ b/library/std/src/keyword_docs.rs @@ -1678,7 +1678,7 @@ mod super_keyword {} /// below `Iterator` is a **supertrait** and `ThreeIterator` is a **subtrait**: /// /// ```rust -/// trait ThreeIterator: std::iter::Iterator { +/// trait ThreeIterator: Iterator { /// fn next_three(&mut self) -> Option<[Self::Item; 3]>; /// } /// ``` diff --git a/library/std/src/path.rs b/library/std/src/path.rs index dbc18f7827e60..8014ba992eaf8 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -78,7 +78,7 @@ use crate::fmt; use crate::fs; use crate::hash::{Hash, Hasher}; use crate::io; -use crate::iter::{self, FusedIterator}; +use crate::iter::FusedIterator; use crate::ops::{self, Deref}; use crate::rc::Rc; use crate::str::FromStr; @@ -450,26 +450,26 @@ impl<'a> PrefixComponent<'a> { } #[stable(feature = "rust1", since = "1.0.0")] -impl<'a> cmp::PartialEq for PrefixComponent<'a> { +impl<'a> PartialEq for PrefixComponent<'a> { #[inline] fn eq(&self, other: &PrefixComponent<'a>) -> bool { - cmp::PartialEq::eq(&self.parsed, &other.parsed) + self.parsed == other.parsed } } #[stable(feature = "rust1", since = "1.0.0")] -impl<'a> cmp::PartialOrd for PrefixComponent<'a> { +impl<'a> PartialOrd for PrefixComponent<'a> { #[inline] fn partial_cmp(&self, other: &PrefixComponent<'a>) -> Option { - cmp::PartialOrd::partial_cmp(&self.parsed, &other.parsed) + PartialOrd::partial_cmp(&self.parsed, &other.parsed) } } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Ord for PrefixComponent<'_> { +impl Ord for PrefixComponent<'_> { #[inline] fn cmp(&self, other: &Self) -> cmp::Ordering { - cmp::Ord::cmp(&self.parsed, &other.parsed) + Ord::cmp(&self.parsed, &other.parsed) } } @@ -988,7 +988,7 @@ impl<'a> DoubleEndedIterator for Components<'a> { impl FusedIterator for Components<'_> {} #[stable(feature = "rust1", since = "1.0.0")] -impl<'a> cmp::PartialEq for Components<'a> { +impl<'a> PartialEq for Components<'a> { #[inline] fn eq(&self, other: &Components<'a>) -> bool { let Components { path: _, front: _, back: _, has_physical_root: _, prefix: _ } = self; @@ -1015,10 +1015,10 @@ impl<'a> cmp::PartialEq for Components<'a> { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Eq for Components<'_> {} +impl Eq for Components<'_> {} #[stable(feature = "rust1", since = "1.0.0")] -impl<'a> cmp::PartialOrd for Components<'a> { +impl<'a> PartialOrd for Components<'a> { #[inline] fn partial_cmp(&self, other: &Components<'a>) -> Option { Some(compare_components(self.clone(), other.clone())) @@ -1026,7 +1026,7 @@ impl<'a> cmp::PartialOrd for Components<'a> { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Ord for Components<'_> { +impl Ord for Components<'_> { #[inline] fn cmp(&self, other: &Self) -> cmp::Ordering { compare_components(self.clone(), other.clone()) @@ -1741,7 +1741,7 @@ impl FromStr for PathBuf { } #[stable(feature = "rust1", since = "1.0.0")] -impl> iter::FromIterator

for PathBuf { +impl> FromIterator

for PathBuf { fn from_iter>(iter: I) -> PathBuf { let mut buf = PathBuf::new(); buf.extend(iter); @@ -1750,7 +1750,7 @@ impl> iter::FromIterator

for PathBuf { } #[stable(feature = "rust1", since = "1.0.0")] -impl> iter::Extend

for PathBuf { +impl> Extend

for PathBuf { fn extend>(&mut self, iter: I) { iter.into_iter().for_each(move |p| self.push(p.as_ref())); } @@ -1904,7 +1904,7 @@ impl ToOwned for Path { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::PartialEq for PathBuf { +impl PartialEq for PathBuf { #[inline] fn eq(&self, other: &PathBuf) -> bool { self.components() == other.components() @@ -1919,10 +1919,10 @@ impl Hash for PathBuf { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Eq for PathBuf {} +impl Eq for PathBuf {} #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::PartialOrd for PathBuf { +impl PartialOrd for PathBuf { #[inline] fn partial_cmp(&self, other: &PathBuf) -> Option { Some(compare_components(self.components(), other.components())) @@ -1930,7 +1930,7 @@ impl cmp::PartialOrd for PathBuf { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Ord for PathBuf { +impl Ord for PathBuf { #[inline] fn cmp(&self, other: &PathBuf) -> cmp::Ordering { compare_components(self.components(), other.components()) @@ -3025,7 +3025,7 @@ impl fmt::Display for Display<'_> { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::PartialEq for Path { +impl PartialEq for Path { #[inline] fn eq(&self, other: &Path) -> bool { self.components() == other.components() @@ -3084,10 +3084,10 @@ impl Hash for Path { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Eq for Path {} +impl Eq for Path {} #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::PartialOrd for Path { +impl PartialOrd for Path { #[inline] fn partial_cmp(&self, other: &Path) -> Option { Some(compare_components(self.components(), other.components())) @@ -3095,7 +3095,7 @@ impl cmp::PartialOrd for Path { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Ord for Path { +impl Ord for Path { #[inline] fn cmp(&self, other: &Path) -> cmp::Ordering { compare_components(self.components(), other.components()) diff --git a/library/std/src/prelude/mod.rs b/library/std/src/prelude/mod.rs index c314bbbb68e57..1b29c887d2100 100644 --- a/library/std/src/prelude/mod.rs +++ b/library/std/src/prelude/mod.rs @@ -34,7 +34,7 @@ //! marker traits that indicate fundamental properties of types. //! * [std::ops]::{[Drop], [Fn], [FnMut], [FnOnce]}, various //! operations for both destructors and overloading `()`. -//! * [std::mem]::[drop][mem::drop], a convenience function for explicitly +//! * [std::mem]::[drop], a convenience function for explicitly //! dropping a value. //! * [std::boxed]::[Box], a way to allocate values on the heap. //! * [std::borrow]::[ToOwned], the conversion trait that defines @@ -66,7 +66,6 @@ //! * [std::convert]::{[TryFrom], [TryInto]}, //! * [std::iter]::[FromIterator]. //! -//! [mem::drop]: crate::mem::drop //! [std::borrow]: crate::borrow //! [std::boxed]: crate::boxed //! [std::clone]: crate::clone @@ -86,9 +85,6 @@ //! [std::slice]: crate::slice //! [std::string]: crate::string //! [std::vec]: mod@crate::vec -//! [TryFrom]: crate::convert::TryFrom -//! [TryInto]: crate::convert::TryInto -//! [FromIterator]: crate::iter::FromIterator //! [`to_owned`]: crate::borrow::ToOwned::to_owned //! [book-closures]: ../../book/ch13-01-closures.html //! [book-dtor]: ../../book/ch15-03-drop.html diff --git a/library/std/src/primitive_docs.rs b/library/std/src/primitive_docs.rs index 51e6947a9c25a..3df990e5dd9fe 100644 --- a/library/std/src/primitive_docs.rs +++ b/library/std/src/primitive_docs.rs @@ -577,7 +577,6 @@ impl Copy for () { /// [`is_null`]: pointer::is_null /// [`offset`]: pointer::offset #[doc = concat!("[`into_raw`]: ", include_str!("../primitive_docs/box_into_raw.md"))] -/// [`drop`]: mem::drop /// [`write`]: ptr::write #[stable(feature = "rust1", since = "1.0.0")] mod prim_pointer {} @@ -1026,7 +1025,6 @@ mod prim_str {} /// * [`UnwindSafe`] /// * [`RefUnwindSafe`] /// -/// [`Unpin`]: marker::Unpin /// [`UnwindSafe`]: panic::UnwindSafe /// [`RefUnwindSafe`]: panic::RefUnwindSafe /// @@ -1405,10 +1403,6 @@ mod prim_ref {} /// /// *See also the traits [`Fn`], [`FnMut`], and [`FnOnce`].* /// -/// [`Fn`]: ops::Fn -/// [`FnMut`]: ops::FnMut -/// [`FnOnce`]: ops::FnOnce -/// /// Function pointers are pointers that point to *code*, not data. They can be called /// just like functions. Like references, function pointers are, among other things, assumed to /// not be null, so if you want to pass a function pointer over FFI and be able to accommodate null diff --git a/library/std/src/sys/sgx/abi/usercalls/alloc.rs b/library/std/src/sys/sgx/abi/usercalls/alloc.rs index 0d934318c22a4..01505e94487b2 100644 --- a/library/std/src/sys/sgx/abi/usercalls/alloc.rs +++ b/library/std/src/sys/sgx/abi/usercalls/alloc.rs @@ -3,7 +3,6 @@ use crate::arch::asm; use crate::cell::UnsafeCell; use crate::cmp; -use crate::convert::TryInto; use crate::mem; use crate::ops::{CoerceUnsized, Deref, DerefMut, Index, IndexMut}; use crate::ptr::{self, NonNull}; diff --git a/library/std/src/sys/unix/futex.rs b/library/std/src/sys/unix/futex.rs index 8d5b540212a17..d310be6c7a1eb 100644 --- a/library/std/src/sys/unix/futex.rs +++ b/library/std/src/sys/unix/futex.rs @@ -273,8 +273,6 @@ pub mod zircon { #[cfg(target_os = "fuchsia")] pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option) -> bool { - use crate::convert::TryFrom; - // Sleep forever if the timeout is longer than fits in a i64. let deadline = timeout .and_then(|d| { diff --git a/library/std/src/sys/unix/os.rs b/library/std/src/sys/unix/os.rs index 1c44058aff79d..a345af76fa217 100644 --- a/library/std/src/sys/unix/os.rs +++ b/library/std/src/sys/unix/os.rs @@ -7,7 +7,6 @@ mod tests; use crate::os::unix::prelude::*; -use crate::convert::TryFrom; use crate::error::Error as StdError; use crate::ffi::{CStr, CString, OsStr, OsString}; use crate::fmt; diff --git a/library/std/src/sys/unix/process/process_fuchsia.rs b/library/std/src/sys/unix/process/process_fuchsia.rs index d4c7e58b34d2e..e45c380a0bb84 100644 --- a/library/std/src/sys/unix/process/process_fuchsia.rs +++ b/library/std/src/sys/unix/process/process_fuchsia.rs @@ -166,7 +166,6 @@ impl Process { } pub fn wait(&mut self) -> io::Result { - use crate::default::Default; use crate::sys::process::zircon::*; let mut proc_info: zx_info_process_t = Default::default(); @@ -199,7 +198,6 @@ impl Process { } pub fn try_wait(&mut self) -> io::Result> { - use crate::default::Default; use crate::sys::process::zircon::*; let mut proc_info: zx_info_process_t = Default::default(); diff --git a/library/std/src/sys_common/net.rs b/library/std/src/sys_common/net.rs index eb427dbda2393..cb24caa1e8a60 100644 --- a/library/std/src/sys_common/net.rs +++ b/library/std/src/sys_common/net.rs @@ -2,7 +2,6 @@ mod tests; use crate::cmp; -use crate::convert::{TryFrom, TryInto}; use crate::fmt; use crate::io::{self, BorrowedCursor, ErrorKind, IoSlice, IoSliceMut}; use crate::mem; diff --git a/src/bootstrap/cache.rs b/src/bootstrap/cache.rs index 05f25af68ea8f..5376c4ec9c325 100644 --- a/src/bootstrap/cache.rs +++ b/src/bootstrap/cache.rs @@ -1,9 +1,8 @@ use std::any::{Any, TypeId}; use std::borrow::Borrow; use std::cell::RefCell; -use std::cmp::{Ord, Ordering, PartialOrd}; +use std::cmp::Ordering; use std::collections::HashMap; -use std::convert::AsRef; use std::fmt; use std::hash::{Hash, Hasher}; use std::marker::PhantomData; diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index b3df12a9df13b..02cec16b35c44 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -35,7 +35,6 @@ use rustc_span::{self, ExpnKind}; use std::borrow::Cow; use std::collections::hash_map::Entry; use std::collections::BTreeMap; -use std::default::Default; use std::hash::Hash; use std::mem; use thin_vec::ThinVec; diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index e34ece9264cfb..6d2ce9e2833f4 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -1,6 +1,5 @@ use std::borrow::Cow; use std::cell::RefCell; -use std::default::Default; use std::hash::Hash; use std::path::PathBuf; use std::rc::Rc; @@ -980,7 +979,7 @@ pub(crate) trait NestedAttributesExt { /// Returns `true` if the attribute list contains a specific `word` fn has_word(self, word: Symbol) -> bool where - Self: std::marker::Sized, + Self: Sized, { ::get_word_attr(self, word).is_some() } diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index c848089dad6b9..b97bb190dd8cc 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -1,5 +1,4 @@ use std::collections::BTreeMap; -use std::convert::TryFrom; use std::ffi::OsStr; use std::fmt; use std::path::PathBuf; diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index fd81a21f5a994..00aadb8e82aeb 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -36,7 +36,6 @@ use rustc_span::{Span, Symbol}; use once_cell::sync::Lazy; use std::borrow::Cow; use std::collections::VecDeque; -use std::default::Default; use std::fmt::Write; use std::ops::{ControlFlow, Range}; use std::str; diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index 1e3cd2668506f..463184acaa14f 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -38,7 +38,6 @@ pub(crate) use self::context::*; pub(crate) use self::span_map::{collect_spans_and_sources, LinkFromSrc}; use std::collections::VecDeque; -use std::default::Default; use std::fmt::{self, Write}; use std::fs; use std::iter::Peekable; diff --git a/src/librustdoc/html/render/search_index.rs b/src/librustdoc/html/render/search_index.rs index 08a0e1c377ef8..f5b4a3f5abd65 100644 --- a/src/librustdoc/html/render/search_index.rs +++ b/src/librustdoc/html/render/search_index.rs @@ -59,7 +59,7 @@ pub(crate) fn build_index<'tcx>( // `sort_unstable_by_key` produces lifetime errors let k1 = (&k1.path, k1.name.as_str(), &k1.ty, &k1.parent); let k2 = (&k2.path, k2.name.as_str(), &k2.ty, &k2.parent); - std::cmp::Ord::cmp(&k1, &k2) + Ord::cmp(&k1, &k2) }); // Set up alias indexes. diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index c39caf73a9367..cd6509607d561 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -4,7 +4,6 @@ #![allow(rustc::default_hash_types)] -use std::convert::From; use std::fmt; use rustc_ast::ast; diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 79f53ee57cc9d..9fd130c4717b4 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -69,7 +69,6 @@ extern crate test; #[cfg(feature = "jemalloc")] extern crate jemalloc_sys; -use std::default::Default; use std::env::{self, VarError}; use std::io::{self, IsTerminal}; use std::process; diff --git a/src/tools/bump-stage0/src/main.rs b/src/tools/bump-stage0/src/main.rs index f530a4d73d360..b007f9a22c36f 100644 --- a/src/tools/bump-stage0/src/main.rs +++ b/src/tools/bump-stage0/src/main.rs @@ -2,7 +2,6 @@ use anyhow::{Context, Error}; use curl::easy::Easy; use indexmap::IndexMap; use std::collections::HashMap; -use std::convert::TryInto; const PATH: &str = "src/stage0.json"; const COMPILER_COMPONENTS: &[&str] = &["rustc", "rust-std", "cargo"]; diff --git a/src/tools/tidy/src/bins.rs b/src/tools/tidy/src/bins.rs index 7e5b4d810ba93..197e9a9965f7d 100644 --- a/src/tools/tidy/src/bins.rs +++ b/src/tools/tidy/src/bins.rs @@ -57,8 +57,8 @@ mod os_impl { match fs::File::create(&path) { Ok(file) => { let exec = is_executable(&path).unwrap_or(false); - std::mem::drop(file); - std::fs::remove_file(&path).expect("Deleted temp file"); + drop(file); + fs::remove_file(&path).expect("Deleted temp file"); // If the file is executable, then we assume that this // filesystem does not track executability, so skip this check. return if exec { Unsupported } else { Supported }; diff --git a/src/tools/tidy/src/pal.rs b/src/tools/tidy/src/pal.rs index d40c4ad0711cf..6fd41e833624f 100644 --- a/src/tools/tidy/src/pal.rs +++ b/src/tools/tidy/src/pal.rs @@ -31,7 +31,6 @@ //! this in the long term. use crate::walk::{filter_dirs, walk}; -use std::iter::Iterator; use std::path::Path; // Paths that may contain platform-specific code. diff --git a/src/tools/unicode-table-generator/src/raw_emitter.rs b/src/tools/unicode-table-generator/src/raw_emitter.rs index 890ff986c2be0..7547b49ab2a54 100644 --- a/src/tools/unicode-table-generator/src/raw_emitter.rs +++ b/src/tools/unicode-table-generator/src/raw_emitter.rs @@ -1,6 +1,5 @@ use crate::fmt_list; use std::collections::{BTreeMap, BTreeSet, HashMap}; -use std::convert::TryFrom; use std::fmt::{self, Write}; use std::ops::Range; diff --git a/src/tools/unicode-table-generator/src/skiplist.rs b/src/tools/unicode-table-generator/src/skiplist.rs index 6e439968c3bfd..9b613a94c5795 100644 --- a/src/tools/unicode-table-generator/src/skiplist.rs +++ b/src/tools/unicode-table-generator/src/skiplist.rs @@ -1,6 +1,5 @@ use crate::fmt_list; use crate::raw_emitter::RawEmitter; -use std::convert::TryInto; use std::fmt::Write as _; use std::ops::Range; diff --git a/tests/ui/hygiene/panic-location.run.stderr b/tests/ui/hygiene/panic-location.run.stderr index 1c6a7b02f8e77..a7252a4002770 100644 --- a/tests/ui/hygiene/panic-location.run.stderr +++ b/tests/ui/hygiene/panic-location.run.stderr @@ -1,2 +1,2 @@ -thread 'main' panicked at 'capacity overflow', library/alloc/src/raw_vec.rs:525:5 +thread 'main' panicked at 'capacity overflow', library/alloc/src/raw_vec.rs:524:5 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace