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This change moves:
1. `libcoretest` into `libcore/tests`
2. `libcollectionstest` into `libcollections/tests`
This is a follow-up to #39561.
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* Move to a separate float mod
* Add more tests for f64 f32 lower exp upper exp
* Use assert_eq for a clearer error message
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Rollup of 12 pull requests
- Successful merges: #39439, #39472, #39481, #39491, #39501, #39509, #39514, #39519, #39526, #39528, #39530, #39538
- Failed merges:
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Extract libcore benchmarks to a separate folder
Fix #39484
r? @alexcrichton since you seem to know about this :)
Thanks!
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Fix TryFrom for i128/u128
Another case of `as` cast silent truncation being error prone.
This also adds a few missing TryFrom tests to libcoretest.
cc #33417
cc #35118
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branchless .filter(_).count()
I found that the branchless version is only slower if we have little to no branch misses, which usually isn't the case. I notice speedups between -5% (perfect prediction) and 60% (real world data).
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Another case of `as` cast silent truncation being error prone.
This also adds a few missing TryFrom tests to libcoretest.
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Extend Cell to work with non-Copy types
I'm not sure that I did this right but all of the tests pass.
I also had to move the `new()` function so that `Cell`s with non-`Copy` `T`s could be created. That wasn't in the RFC but I assume it needed to be done?
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std: Stabilize APIs for the 1.16.0 release
This commit applies the stabilization/deprecations of the 1.16.0 release, as
tracked by the rust-lang/rust issue tracker and the final-comment-period tag.
The following APIs were stabilized:
* `VecDeque::truncate`
* `VecDeque::resize`
* `String::insert_str`
* `Duration::checked_{add,sub,div,mul}`
* `str::replacen`
* `SocketAddr::is_ipv{4,6}`
* `IpAddr::is_ipv{4,6}`
* `str::repeat`
* `Vec::dedup_by`
* `Vec::dedup_by_key`
* `Result::unwrap_or_default`
* `<*const T>::wrapping_offset`
* `<*mut T>::wrapping_offset`
* `CommandExt::creation_flags` (on Windows)
* `File::set_permissions`
* `String::split_off`
The following APIs were deprecated
* `EnumSet` - replaced with other ecosystem abstractions, long since unstable
Closes #27788
Closes #35553
Closes #35774
Closes #36436
Closes #36949
Closes #37079
Closes #37087
Closes #37516
Closes #37827
Closes #37916
Closes #37966
Closes #38080
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This commit applies the stabilization/deprecations of the 1.16.0 release, as
tracked by the rust-lang/rust issue tracker and the final-comment-period tag.
The following APIs were stabilized:
* `VecDeque::truncate`
* `VecDeque::resize`
* `String::insert_str`
* `Duration::checked_{add,sub,div,mul}`
* `str::replacen`
* `SocketAddr::is_ipv{4,6}`
* `IpAddr::is_ipv{4,6}`
* `str::repeat`
* `Vec::dedup_by`
* `Vec::dedup_by_key`
* `Result::unwrap_or_default`
* `<*const T>::wrapping_offset`
* `<*mut T>::wrapping_offset`
* `CommandExt::creation_flags` (on Windows)
* `File::set_permissions`
* `String::split_off`
The following APIs were deprecated
* `EnumSet` - replaced with other ecosystem abstractions, long since unstable
Closes #27788
Closes #35553
Closes #35774
Closes #36436
Closes #36949
Closes #37079
Closes #37087
Closes #37516
Closes #37827
Closes #37916
Closes #37966
Closes #38080
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Part of #39264
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expect_err for Result.
This adds an `expect_err` method to `Result`. Considering how `unwrap_err` already exists, this seems to make sense. Inconsistency noted in Manishearth/rust-clippy#1435.
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This introduces a private iterator adapter `ResultShunt`, which allows
treating an iterator of `Result<T, E>` as an iterator of `T`.
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Implement RFC #1725 (read_unaligned, write_unaligned)
cc #37955
r? @alexcrichton
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cc #37955
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Fixes #26554.
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Make Peekable remember peeking a None
Peekable should remember if a None has been seen in the `.peek()` method.
It ensures that `.peek(); .peek();` or `.peek(); .next();` only advances the
underlying iterator at most once. This does not by itself make the iterator
fused.
Thanks to @s3bk for the code in `fn peek()` itself.
Fixes #37784
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Stabilize RFC 1560
Fixes #13598, fixes #23157, fixes #32303.
cc #35120
r? @nrc
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The problem occured due to lines like
```
3400;<CJK Ideograph Extension A, First>;Lo;0;L;;;;;N;;;;;
4DB5;<CJK Ideograph Extension A, Last>;Lo;0;L;;;;;N;;;;;
```
in `UnicodeData.txt`, which the script previously interpreted as two
characters, although it represents the whole range.
Fixes #34318.
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Peekable must remember if a None has been seen in the `.peek()` method.
It ensures that `.peek(); .peek();` or `.peek(); .next();` only advances the
underlying iterator at most once. This does not by itself make the iterator
fused.
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Conflicts:
src/libcoretest/lib.rs
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Add `unwrap_or_default` method to `Result`
Fixes #37025
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Implement Iterator::fold for .chain(), .cloned(), .map() and the VecDeque iterators.
Chain can do something interesting here where it passes on the fold
into its inner iterators.
The lets the underlying iterator's custom fold() be used, and skips the
regular chain logic in next.
Also implement .fold() specifically for .map() and .cloned() so that any
inner fold improvements are available through map and cloned.
The same way, a VecDeque iterator fold can be turned into two slice folds.
These changes lend the power of the slice iterator's loop codegen to
VecDeque, and to chains of slice iterators, and so on.
It's an improvement for .sum() and .product(), and other uses of fold.
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Chain can do something interesting here where it passes on the fold
into its inner iterators.
The lets the underlying iterator's custom fold() be used, and skips the
regular chain logic in next.
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std: Stabilize and deprecate APIs for 1.13
This commit is intended to be backported to the 1.13 branch, and works with the
following APIs:
Stabilized
* `i32::checked_abs`
* `i32::wrapping_abs`
* `i32::overflowing_abs`
* `RefCell::try_borrow`
* `RefCell::try_borrow_mut`
Deprecated
* `BinaryHeap::push_pop`
* `BinaryHeap::replace`
* `SipHash13`
* `SipHash24`
* `SipHasher` - use `DefaultHasher` instead in the `std::collections::hash_map`
module
Closes #28147
Closes #34767
Closes #35057
Closes #35070
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This commit is intended to be backported to the 1.13 branch, and works with the
following APIs:
Stabilized
* `i32::checked_abs`
* `i32::wrapping_abs`
* `i32::overflowing_abs`
* `RefCell::try_borrow`
* `RefCell::try_borrow_mut`
* `DefaultHasher`
* `DefaultHasher::new`
* `DefaultHasher::default`
Deprecated
* `BinaryHeap::push_pop`
* `BinaryHeap::replace`
* `SipHash13`
* `SipHash24`
* `SipHasher` - use `DefaultHasher` instead in the `std::collections::hash_map`
module
Closes #28147
Closes #34767
Closes #35057
Closes #35070
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