| Age | Commit message (Collapse) | Author | Lines |
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Remove items that are unstable and deprecated
This removes unstable items that have been deprecated for more than one cycle.
- Since 1.16.0, `#![feature(enumset)]`
- All of `mod collections::enum_set`
- Since 1.15.0, `#![feature(borrow_state)]`
- `cell::BorrowState`
- `RefCell::borrow_state()`
- Since 1.15.0, `#![feature(is_unique)]`
- `Rc::is_unique()` (made private like `Arc::is_unique()`)
- Since 1.15.0, `#![feature(rc_would_unwrap)]`
- `Rc::would_wrap()`
- Since 1.13.0, `#![feature(binary_heap_extras)]`
- `BinaryHeap::push_pop()`
- `BinaryHeap::replace()`
- Since 1.12.0, `#![feature(as_unsafe_cell)]`
- `Cell::as_unsafe_cell()`
- `RefCell::as_unsafe_cell()`
- Since 1.12.0, `#![feature(map_entry_recover_keys)]`
- `btree_map::OccupiedEntry::remove_pair()`
- `hash_map::OccupiedEntry::remove_pair()`
- Since 1.11.0, `#![feature(float_extras)]`
- `Float::nan()`
- `Float::infinity()`
- `Float::neg_infinity()`
- `Float::neg_zero()`
- `Float::zero()`
- `Float::one()`
- `Float::integer_decode()`
- `f32::integer_decode()`
- `f32::ldexp()`
- `f32::frexp()`
- `f32::next_after()`
- `f64::integer_decode()`
- `f64::ldexp()`
- `f64::frexp()`
- `f64::next_after()`
- Since 1.11.0, `#![feature(zero_one)]`
- `num::Zero`
- `num::One`
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[unstable, deprecated since 1.12.0]
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Fix debug infinite loop
Fixes #41338.
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These show up in rustdoc so need to be correct.
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* Changed btree_map's and hash_map's Entry (etc.) docs to be consistent
* Changed VecDeque's type and module summary sentences to be consistent
with each other as well as with other summary sentences in the module
* Changed HashMap's and HashSet's summary sentences to be less redundantly
phrased and also more consistant with the other summary sentences in the
module
* Also, added an example to Bound
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* Added links where possible (limited because of facading)
* Changed references to methods from `foo()` to `foo` in module docs
* Changed references to methods from `HashMap::foo` to just `foo` in
top-level docs for `HashMap` and the `default` doc for `DefaultHasher`
* Various small other fixes
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This greatly improves consistency.
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Since my last PR led to linker failure, I'm now taking much smaller steps.
This only fixes some doc_markdown warnings; as they are in comments only,
we shouldn't get any problems building.
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`IntoIter::drop` already iterates.
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Dont segfault if btree range is not in order
This is a first attempt to fix issue #33197. The issue is that the BTree iterator uses next_unchecked for fast iteration, but it can be tricked into running off the end of the tree and segfaulting if range is called with a maximum that is less than the minimum.
Since a user defined Ord should not determine the safety of BTreeMap, and we still want fast iteration, I've implemented the idea of @gereeter and walk the tree simultaneously searching for both keys to make sure that if our keys diverge, the min key is to the left of our max key. I currently panic if that is not the case.
Open questions:
1. Do we want to panic in this error case or do we want to return an empty iterator? The drain API panics if the range is bad, but drain is given a range of index values, while this is a generic key type. Panicking is brittle and returning an empty iterator is probably the most flexible and matches what people would want it to do... but artificially returning a BTreeMap::Range with start==end seems like a pretty weird and unnatural thing to do, although it's doable since those fields are not accessible.
The same question for other weird cases:
2. (Included(101), Excluded(100)) on a map that contains [1,2,3]. Both BTree edges end up on the same part of the map, but comparing the keys shows the range is backwards.
3. (Excluded(5), Excluded(5)). The keys are equal but BTree edges end up backwards if the map contains 5.
4. (Included(5), Excluded(5)). Should naturally produce an empty iterator, right?
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Reminding people of set terminology.
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libcollections: btree/set: fix a typo
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We should teach conversion from `str` to `String` using `to_string`
rather than the legacy `to_owned`.
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CC #34761
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Fixes https://github.com/rust-lang/rust/issues/38204.
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These are displayed by rustdoc so should be correct.
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Implement 1581 (FusedIterator)
* [ ] Implement on patterns. See https://github.com/rust-lang/rust/issues/27721#issuecomment-239638642.
* [ ] Handle OS Iterators. A bunch of iterators (`Args`, `Env`, etc.) in libstd wrap platform specific iterators. The current ones all appear to be well-behaved but can we assume that future ones will be?
* [ ] Does someone want to audit this? On first glance, all of the iterators on which I implemented `FusedIterator` appear to be well-behaved but there are a *lot* of them so a second pair of eyes would be nice.
* I haven't touched rustc internal iterators (or the internal rand) because rustc doesn't actually call `fuse()`.
* `FusedIterator` can't be implemented on `std::io::{Bytes, Chars}`.
Closes: #35602 (Tracking Issue)
Implements: rust-lang/rfcs#1581
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Stabilized
* `Cell::as_ptr`
* `RefCell::as_ptr`
* `IpAddr::is_{unspecified,loopback,multicast}`
* `Ipv6Addr::octets`
* `LinkedList::contains`
* `VecDeque::contains`
* `ExitStatusExt::from_raw` - both on Unix and Windows
* `Receiver::recv_timeout`
* `RecvTimeoutError`
* `BinaryHeap::peek_mut`
* `PeekMut`
* `iter::Product`
* `iter::Sum`
* `OccupiedEntry::remove_entry`
* `VacantEntry::into_key`
Deprecated
* `Cell::as_unsafe_cell`
* `RefCell::as_unsafe_cell`
* `OccupiedEntry::remove_pair`
Closes #27708
cc #27709
Closes #32313
Closes #32630
Closes #32713
Closes #34029
Closes #34392
Closes #34285
Closes #34529
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This trait can be used to avoid the overhead of a fuse wrapper when an iterator
is already well-behaved.
Conforming to: RFC 1581
Closes: #35602
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