| Age | Commit message (Collapse) | Author | Lines |
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This commit applies the FCP decisions made by the libs team for the 1.10 cycle,
including both new stabilizations and deprecations. Specifically, the list of
APIs is:
Stabilized:
* `os::windows::fs::OpenOptionsExt::access_mode`
* `os::windows::fs::OpenOptionsExt::share_mode`
* `os::windows::fs::OpenOptionsExt::custom_flags`
* `os::windows::fs::OpenOptionsExt::attributes`
* `os::windows::fs::OpenOptionsExt::security_qos_flags`
* `os::unix::fs::OpenOptionsExt::custom_flags`
* `sync::Weak::new`
* `Default for sync::Weak`
* `panic::set_hook`
* `panic::take_hook`
* `panic::PanicInfo`
* `panic::PanicInfo::payload`
* `panic::PanicInfo::location`
* `panic::Location`
* `panic::Location::file`
* `panic::Location::line`
* `ffi::CStr::from_bytes_with_nul`
* `ffi::CStr::from_bytes_with_nul_unchecked`
* `ffi::FromBytesWithNulError`
* `fs::Metadata::modified`
* `fs::Metadata::accessed`
* `fs::Metadata::created`
* `sync::atomic::Atomic{Usize,Isize,Bool,Ptr}::compare_exchange`
* `sync::atomic::Atomic{Usize,Isize,Bool,Ptr}::compare_exchange_weak`
* `collections::{btree,hash}_map::{Occupied,Vacant,}Entry::key`
* `os::unix::net::{UnixStream, UnixListener, UnixDatagram, SocketAddr}`
* `SocketAddr::is_unnamed`
* `SocketAddr::as_pathname`
* `UnixStream::connect`
* `UnixStream::pair`
* `UnixStream::try_clone`
* `UnixStream::local_addr`
* `UnixStream::peer_addr`
* `UnixStream::set_read_timeout`
* `UnixStream::set_write_timeout`
* `UnixStream::read_timeout`
* `UnixStream::write_Timeout`
* `UnixStream::set_nonblocking`
* `UnixStream::take_error`
* `UnixStream::shutdown`
* Read/Write/RawFd impls for `UnixStream`
* `UnixListener::bind`
* `UnixListener::accept`
* `UnixListener::try_clone`
* `UnixListener::local_addr`
* `UnixListener::set_nonblocking`
* `UnixListener::take_error`
* `UnixListener::incoming`
* RawFd impls for `UnixListener`
* `UnixDatagram::bind`
* `UnixDatagram::unbound`
* `UnixDatagram::pair`
* `UnixDatagram::connect`
* `UnixDatagram::try_clone`
* `UnixDatagram::local_addr`
* `UnixDatagram::peer_addr`
* `UnixDatagram::recv_from`
* `UnixDatagram::recv`
* `UnixDatagram::send_to`
* `UnixDatagram::send`
* `UnixDatagram::set_read_timeout`
* `UnixDatagram::set_write_timeout`
* `UnixDatagram::read_timeout`
* `UnixDatagram::write_timeout`
* `UnixDatagram::set_nonblocking`
* `UnixDatagram::take_error`
* `UnixDatagram::shutdown`
* RawFd impls for `UnixDatagram`
* `{BTree,Hash}Map::values_mut`
* `<[_]>::binary_search_by_key`
Deprecated:
* `StaticCondvar` - this, and all other static synchronization primitives
below, are usable today through the lazy-static crate on
stable Rust today. Additionally, we'd like the non-static
versions to be directly usable in a static context one day,
so they're unlikely to be the final forms of the APIs in any
case.
* `CONDVAR_INIT`
* `StaticMutex`
* `MUTEX_INIT`
* `StaticRwLock`
* `RWLOCK_INIT`
* `iter::Peekable::is_empty`
Closes #27717
Closes #27720
cc #27784 (but encode methods still exist)
Closes #30014
Closes #30425
Closes #30449
Closes #31190
Closes #31399
Closes #31767
Closes #32111
Closes #32281
Closes #32312
Closes #32551
Closes #33018
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This results in a roughly 2x speedup compared to the default impl
"inherited" from Iterator.
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Help cleans up our build a bit and stays in line with the rest of our crates
denying warnings traditionally.
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This is a standard "clean out libstd" commit which removes all 1.5-and-before
deprecated functionality as it's now all been deprecated for at least one entire
cycle.
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The iterator protocol specifies that the iteration ends with the return
value `None` from `.next()` (or `.next_back()`) and it is unspecified
what further calls return. The chain adaptor must account for this in
its DoubleEndedIterator implementation.
It uses three states:
- Both `a` and `b` are valid
- Only the Front iterator (`a`) is valid
- Only the Back iterator (`b`) is valid
The fourth state (neither iterator is valid) only occurs after Chain has
returned None once, so we don't need to store this state.
Fixes #26316
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This commit removes all unstable and deprecated functions in the standard
library. A release was recently cut (1.3) which makes this a good time for some
spring cleaning of the deprecated functions.
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Specifically, make count, nth, and last call the corresponding methods
on the underlying iterator where possible. This way, if the underlying
iterator has an optimized count, nth, or last implementations (e.g.
slice::Iter), these methods will propagate these optimizations.
Additionally, change Skip::next to take advantage of a potentially
optimized nth method on the underlying iterator.
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Fixes `Step::steps_between` implementations by integer types
to correctly handle `by != 1`.
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There was an overflow bug in .size_hint() for signed iterators, which
produced an hilariously incorrect size or an overflow panic.
Incorrect size is a serious bug since the iterators are marked
ExactSizeIterator. (And leads to abort() on (-1i8..127).collect() when
the collection tries to preallocate too much).
All signed range iterators were affected.
> (-1i8..127).size_hint()
(18446744073709551488, Some(18446744073709551488))
Bug found using quickcheck.
Fixes #24851
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This API was exercised in a few tests and mirrors the `from_str_radix`
functionality of the integer types.
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The main change in this patch is removing the use of `Option` inside the
inner loops of those functions to avoid comparisons where one branch
will only trigger on the first pass through the loop.
The included benchmarks go from:
test bench_max ... bench: 372 ns/iter (+/- 118)
test bench_max_by ... bench: 428 ns/iter (+/- 33)
test bench_max_by2 ... bench: 7128 ns/iter (+/- 326)
to:
test bench_max ... bench: 317 ns/iter (+/- 64)
test bench_max_by ... bench: 356 ns/iter (+/- 270)
test bench_max_by2 ... bench: 1387 ns/iter (+/- 183)
Problem noticed in http://www.reddit.com/r/rust/comments/31syce/using_iterators_to_find_the_index_of_the_min_or/
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The main change in this patch is removing the use of `Option` inside the
inner loops of those functions to avoid comparisons where one branch
will only trigger on the first pass through the loop.
The included benchmarks go from:
test bench_max ... bench: 372 ns/iter (+/- 118)
test bench_max_by ... bench: 428 ns/iter (+/- 33)
test bench_max_by2 ... bench: 7128 ns/iter (+/- 326)
to:
test bench_max ... bench: 317 ns/iter (+/- 64)
test bench_max_by ... bench: 356 ns/iter (+/- 270)
test bench_max_by2 ... bench: 1387 ns/iter (+/- 183)
Problem noticed in http://www.reddit.com/r/rust/comments/31syce/using_iterators_to_find_the_index_of_the_min_or/
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In addition to being nicer, this also allows you to use `sum` and `product` for
iterators yielding custom types aside from the standard integers.
Due to removing the `AdditiveIterator` and `MultiplicativeIterator` trait, this
is a breaking change.
[breaking-change]
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This commit cleans out a large amount of deprecated APIs from the standard
library and some of the facade crates as well, updating all users in the
compiler and in tests as it goes along.
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Now that support has been removed, all lingering use cases are renamed.
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This commit deprecates the `count`, `range` and `range_step` functions
in `iter`, in favor of range notation. To recover all existing
functionality, a new `step_by` adapter is provided directly on `ops::Range`
and `ops::RangeFrom`.
[breaking-change]
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Many of the modifications putting in `Box::new` calls also include a
pointer to Issue 22405, which tracks going back to `box <expr>` if
possible in the future.
(Still tried to use `Box<_>` where it sufficed; thus some tests still
have `box_syntax` enabled, as they use a mix of `box` and `Box::new`.)
Precursor for overloaded-`box` and placement-`in`; see Issue 22181.
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Conflicts:
src/libcollections/slice.rs
src/libcollections/str.rs
src/librustc/middle/lang_items.rs
src/librustc_back/rpath.rs
src/librustc_typeck/check/regionck.rs
src/libstd/ffi/os_str.rs
src/libsyntax/diagnostic.rs
src/libsyntax/parse/parser.rs
src/libsyntax/util/interner.rs
src/test/run-pass/regions-refcell.rs
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When self.start > self.end, these iterators simply return None,
so we adjust the size_hint to just return zero in this case.
Certain optimizations can be implemented in and outside libstd if we
know we can trust the size_hint for all inputs to for example
Range<usize>.
This corrects the ExactSizeIterator implementations, which IMO were
unsound and incorrect previously, since they allowed a range like (2..1)
to return a size_hint of -1us in when debug assertions are turned off.
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Also some tidying up of a bunch of crate attributes
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Conflicts:
src/libcoretest/iter.rs
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sed -i 's/in range(\([^,]*\), *\([^()]*\))/in \1\.\.\2/g' **/*.rs
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sed -i 's/ range(\([^,]*\), *\([^()]*\))\./ (\1\.\.\2)\./g' **/*.rs
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Specifically:
* Peekable
* ByRef
* Skip
* Take
* Fuse
Fixes #20547
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ByRef is not tested included because it is a trivial pass through.
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This removes a large array of deprecated functionality, regardless of how
recently it was deprecated. The purpose of this commit is to clean out the
standard libraries and compiler for the upcoming alpha release.
Some notable compiler changes were to enable warnings for all now-deprecated
command line arguments (previously the deprecated versions were silently
accepted) as well as removing deriving(Zero) entirely (the trait was removed).
The distribution no longer contains the libtime or libregex_macros crates. Both
of these have been deprecated for some time and are available externally.
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