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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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Add std::process::Command::envs()
`Command::envs()` adds a vector of key-value pairs to the child
process environment all at once. Suggested in #38526.
This is not fully baked and frankly I'm not sure it even _works_, but I need some help finishing it up, and this is the simplest way to show you what I've got. The problems I know exist and don't know how to solve, from most to least important, are:
* [ ] I don't know if the type signature of the new function is correct.
* [x] The new test might not be getting run. I didn't see it go by in the output of `x.py test src/libstd --stage 1`.
* [x] The tidy check says ``process.rs:402: different `since` than before`` which I don't know what it means.
r? @brson
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Add missing urls for array docs
r? @frewsxcv
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Use libc errno in Redox submodule
This fixes https://github.com/redox-os/redox/issues/830, and is necessary when using libc in Redox
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updates to reflect changes in Magenta
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This is done by adding a function that can return a filename
to pass to backtrace_create_state. The filename is obtained in
a safe way by first getting the filename, locking the file so it can't
be moved, and then getting the filename again and making sure it's the same.
See: https://github.com/rust-lang/rust/pull/37359#issuecomment-260123399
Issue: #33985
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impl ToSocketAddrs for String
`ToSocketAddrs` is implemented for a number of different types,
including `(IpAddr, u16)`, `&str`, and various others, for the
convenience of being able to run things like
`TcpListener::bind("10.11.12.13:1415")`. However, because this is a
generic parameter with a trait bound, if you have a `String` you cannot
pass it in, either directly as `TcpListener::bind(string)`, or the
`TcpListener::bind(&string)` as you might expect due to deref coercion;
you have to use `TcpListener::bind(&*string)`, which is noisy and hard
to discover (though #39029 suggests better error messages to make it
more discoverable).
Rather than making people stumble over this, just implement
`ToSocketAddrs` for `String`.
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Add more references between lowercase/uppercase operations.
None
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utkarshkukreti:question-mark-in-libstd-documentation-examples, r=pnkfelix,steveklabnik,frewsxcvx
libstd: replace all `try!` with `?` in documentation examples
See #38644.
For the record, I used the following Perl one-liner and then manually fixed a couple of things it got wrong:
$ perl -p -i -e 's#(///.*)try!\((.*)\)#$1$2?#' src/libstd/**/*.rs
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We're not using it in the examples anymore.
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See #38644.
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Add doc examples for `std::ffi::OsString` fucntions/methods.
None
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Use fs::symlink_metadata in doc for is_symlink
fs::metadata() follows symlinks so is_symlink() will always return
false. Use symlink_metadata instead in the example in the
documentation.
See issue #39088.
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This reverts commit fe9f5d52a6830991609c07455b0267852d9c3545.
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Specify the result of integer cast on boolean
Fixes #39190.
r? @frewsxcv
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Document that `Metadata` can be obtained from `symlink_metadata`
When retrieving the information about a syslink (specifically, when invoking `Metadata::is_symlink`) you generally want the `syslink_metadata`. It would be natural to point at both options to retrieve a `Metadata` value, as they are both appropriate (for different use cases).
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* Command::envs() now takes anything that is IntoIterator<Item=(K, V)>
where both K and V are AsRef<OsStr>.
* Since we're not 100% sure that's the right signature, envs() is
now marked unstable. (You can use envs() with HashMap<str, str> but
not Vec<(str, str)>, for instance.)
* Update the test to match.
* By analogy, args() now takes any IntoIterator<Item=S>, S: AsRef<OsStr>.
This should be uncontroversial.
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Make rustbuild force_alloc_system rather than relying on stage0
This 'fixes' jemalloc-less local rebuilds, where we tell cargo that we're actually stage1 (this only fixes the rustbuild path, since I wasn't enthusiastic to dive into the makefiles).
There should be one effect from this PR: `--enable-local-rebuild --disable-jemalloc` will successfully build a stage0 std (rather than erroring). Ideally I think it'd be nice to specify an allocator preference in Cargo.toml/cargo command line (used when an allocator must be picked i.e. dylibs, not rlibs), but since that's not possible we can make do with a force_alloc_system feature. Sadly this locks you into a single allocator in the build libstd, making any eventual implementation of #38575 not quite right in this edge case, but clearly not many people exercise the combination of these two flags.
This PR is also a substitute for #37975 I think. The crucial difference is that the feature name here is distinct from the jemalloc feature (reused in the previous PR) - we don't want someone to be forced into alloc_system just for disabling jemalloc!
Fixes #39054
r? @alexcrichton
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travis: Get an emscripten builder online
This commit adds a new entry to the Travis matrix which will execute emscripten
test suites. Along the way it updates a few bits of the test suite to continue
passing on emscripten, such as:
* Ignoring i128/u128 tests as they're presumably just not working (didn't
investigate as to why)
* Disabling a few process tests (not working on emscripten)
* Ignore some num tests in libstd (#39119)
* Fix some warnings when compiling
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Add 'platform-specific' section to `sleep_ms` to match `sleep`.
None
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This commit adds a new entry to the Travis matrix which will execute emscripten
test suites. Along the way it updates a few bits of the test suite to continue
passing on emscripten, such as:
* Ignoring i128/u128 tests as they're presumably just not working (didn't
investigate as to why)
* Disabling a few process tests (not working on emscripten)
* Ignore some num tests in libstd (#39119)
* Fix some warnings when compiling
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Show a conventional way to use process::exit when destructors are considered important and also
mention that the same caveats wrt destructors apply to exec as well.
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Fix a couple of bad Markdown links
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Improvements to 'include' macro documentation.
None
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fs::metadata() follows symlinks so is_symlink() will always return
false. Use symlink_metadata instead in the example in the
documentation.
See issue #39088.
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PartialEq and PartialOrd between IpAddr and Ipv[46]Addr.
PartialEq was rather useful, so, I figured that I'd implement it. I added PartialOrd for good measure.
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Sum for Duration
Implemented the `Sum` trait for `Duration`. Seems reasonable.
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Add doc examples & description in `std::os::unix::ffi`.
None
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Minor improvements to docs in std::env structures/functions.
* Call functions "functions" instead of "methods".
* Link structures to their constructor functions
* Add other misc. documentation links
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rustdoc: Give primitive types stability attributes
This is especially important for i128/u128 to make it clear they are
unstable in the docs.
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This fixes jemalloc-less local rebuilds, where we tell cargo that
we're actually stage1
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This is especially important for i128/u128 to make it clear they are
unstable in the docs.
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Add try_wait to Redox process
This implements Process::try_wait on Redox
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Fix is_absolute on Redox
Due to not using prefixes on Redox, yet, it must be added as an exception to Path::is_absolute.
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`ToSocketAddrs` is implemented for a number of different types,
including `(IpAddr, u16)`, `&str`, and various others, for the
convenience of being able to run things like
`TcpListener::bind("10.11.12.13:1415")`. However, because this is a
generic parameter with a trait bound, if you have a `String` you cannot
pass it in, either directly as `TcpListener::bind(string)`, or the
`TcpListener::bind(&string)` as you might expect due to deref coercion;
you have to use `TcpListener::bind(&*string)`, which is noisy and hard
to discover (though #39029 suggests better error messages to make it
more discoverable).
Rather than making people stumble over this, just implement
`ToSocketAddrs` for `String`.
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Change `to_owned` to `to_string` in docs
We should teach conversion from `str` to `String` using `to_string` rather than the legacy `to_owned`.
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std/net/udp: Improve set_nonblocking test
While writing a separate change, I noticed the current test for `UdpSocket::set_nonblocking()` is fairly ineffective.
This fixes the test so that it validates that a correct error is returned on calls to `recv()` when no data is available.
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