Auto merge of #39835 - brson:relnotes, r=brson
Release notes for 1.16 [Rendered](https://github.com/brson/rust/blob/relnotes/RELEASES.md)
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RELEASES.md
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RELEASES.md
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Version 1.16.0 (2017-03-16)
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===========================
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Language
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--------
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* Lifetimes in statics and consts default to `'static`. [RFC 1623]
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* [The compiler's `dead_code` lint now accounts for type aliases][38051].
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* [Uninhabitable enums (those without any variants) no longer permit wildcard
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match patterns][38069]
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* [Clean up semantics of `self` in an import list][38313]
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* [`Self` may appear in `impl` headers][38920]
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* [`Self` may appear in struct expressions][39282]
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Compiler
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--------
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* [`rustc` now supports `--emit=metadata`, which causes rustc to emit
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a `.rmeta` file containing only crate metadata][38571]. This can be
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used by tools like the Rust Language Service to perform
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metadata-only builds.
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* [Levenshtein based typo suggestions now work in most places, while
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previously they worked only for fields and sometimes for local
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variables][38927]. Together with the overhaul of "no
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resolution"/"unexpected resolution" errors (#[38154]) they result in
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large and systematic improvement in resolution diagnostics.
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* [Fix `transmute::<T, U>` where `T` requires a bigger alignment than
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`U`][38670]
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* [rustc: use -Xlinker when specifying an rpath with ',' in it][38798]
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* [`rustc` no longer attempts to provide "consider using an explicit
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lifetime" suggestions][37057]. They were inaccurate.
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Stabilized APIs
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---------------
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* [`VecDeque::truncate`]
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* [`VecDeque::resize`]
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* [`String::insert_str`]
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* [`Duration::checked_add`]
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* [`Duration::checked_sub`]
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* [`Duration::checked_div`]
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* [`Duration::checked_mul`]
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* [`str::replacen`]
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* [`str::repeat`]
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* [`SocketAddr::is_ipv4`]
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* [`SocketAddr::is_ipv6`]
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* [`IpAddr::is_ipv4`]
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* [`IpAddr::is_ipv6`]
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* [`Vec::dedup_by`]
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* [`Vec::dedup_by_key`]
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* [`Result::unwrap_or_default`]
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* [`<*const T>::wrapping_offset`]
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* [`<*mut T>::wrapping_offset`]
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* `CommandExt::creation_flags`
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* [`File::set_permissions`]
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* [`String::split_off`]
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Libraries
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---------
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* [`[T]::binary_search` and `[T]::binary_search_by_key` now take
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their argument by `Borrow` parameter][37761]
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* [All public types in std implement `Debug`][38006]
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* [`IpAddr` implements `From<Ipv4Addr>` and `From<Ipv6Addr>`][38327]
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* [`Ipv6Addr` implements `From<[u16; 8]>`][38131]
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* [Ctrl-Z returns from `Stdin.read()` when reading from the console on
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Windows][38274]
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* [std: Fix partial writes in `LineWriter`][38062]
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* [std: Clamp max read/write sizes on Unix][38062]
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* [Use more specific panic message for `&str` slicing errors][38066]
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* [`TcpListener::set_only_v6` is deprecated][38304]. This
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functionality cannot be achieved in std currently.
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* [`writeln!`, like `println!`, now accepts a form with no string
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or formatting arguments, to just print a newline][38469]
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* [Implement `iter::Sum` and `iter::Product` for `Result`][38580]
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* [Reduce the size of static data in `std_unicode::tables`][38781]
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* [`char::EscapeDebug`, `EscapeDefault`, `EscapeUnicode`,
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`CaseMappingIter`, `ToLowercase`, `ToUppercase`, implement
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`Display`][38909]
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* [`Duration` implements `Sum`][38712]
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* [`String` implements `ToSocketAddrs`][39048]
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Cargo
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-----
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* [The `cargo check` command does a type check of a project without
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building it][cargo/3296]
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* [crates.io will display CI badges from Travis and AppVeyor, if
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specified in Cargo.toml][cargo/3546]
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* [crates.io will display categories listed in Cargo.toml][cargo/3301]
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* [Compilation profiles accept integer values for `debug`, in addition
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to `true` and `false`. These are passed to `rustc` as the value to
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`-C debuginfo`][cargo/3534]
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* [Implement `cargo --version --verbose`][cargo/3604]
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* [All builds now output 'dep-info' build dependencies compatible with
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make and ninja][cargo/3557]
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* [Build all workspace members with `build --all`][cargo/3511]
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* [Document all workspace members with `doc --all`][cargo/3515]
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* [Path deps outside workspace are not members][cargo/3443]
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Misc
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----
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* [`rustdoc` has a `--sysroot` argument that, like `rustc`, specifies
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the path to the Rust implementation][38589]
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* [The `armv7-linux-androideabi` target no longer enables NEON
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extensions, per Google's ABI guide][38413]
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* [The stock standard library can be compiled for Redox OS][38401]
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* [Rust has initial SPARC support][38726]. Tier 3. No builds
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available.
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* [Rust has experimental support for Nvidia PTX][38559]. Tier 3. No
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builds available.
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* [Fix backtraces on i686-pc-windows-gnu by disabling FPO][39379]
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Compatibility Notes
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-------------------
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* [Uninhabitable enums (those without any variants) no longer permit wildcard
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match patterns][38069]
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* In this release, references to uninhabited types can not be
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pattern-matched. This was accidentally allowed in 1.15.
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* [The compiler's `dead_code` lint now accounts for type aliases][38051].
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* [Ctrl-Z returns from `Stdin.read()` when reading from the console on
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Windows][38274]
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* [Clean up semantics of `self` in an import list][38313]
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[37057]: https://github.com/rust-lang/rust/pull/37057
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[37761]: https://github.com/rust-lang/rust/pull/37761
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[38006]: https://github.com/rust-lang/rust/pull/38006
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[38051]: https://github.com/rust-lang/rust/pull/38051
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[38062]: https://github.com/rust-lang/rust/pull/38062
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[38062]: https://github.com/rust-lang/rust/pull/38622
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[38066]: https://github.com/rust-lang/rust/pull/38066
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[38069]: https://github.com/rust-lang/rust/pull/38069
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[38131]: https://github.com/rust-lang/rust/pull/38131
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[38154]: https://github.com/rust-lang/rust/pull/38154
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[38274]: https://github.com/rust-lang/rust/pull/38274
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[38304]: https://github.com/rust-lang/rust/pull/38304
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[38313]: https://github.com/rust-lang/rust/pull/38313
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[38314]: https://github.com/rust-lang/rust/pull/38314
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[38327]: https://github.com/rust-lang/rust/pull/38327
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[38401]: https://github.com/rust-lang/rust/pull/38401
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[38413]: https://github.com/rust-lang/rust/pull/38413
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[38469]: https://github.com/rust-lang/rust/pull/38469
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[38559]: https://github.com/rust-lang/rust/pull/38559
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[38571]: https://github.com/rust-lang/rust/pull/38571
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[38580]: https://github.com/rust-lang/rust/pull/38580
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[38589]: https://github.com/rust-lang/rust/pull/38589
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[38670]: https://github.com/rust-lang/rust/pull/38670
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[38712]: https://github.com/rust-lang/rust/pull/38712
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[38726]: https://github.com/rust-lang/rust/pull/38726
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[38781]: https://github.com/rust-lang/rust/pull/38781
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[38798]: https://github.com/rust-lang/rust/pull/38798
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[38909]: https://github.com/rust-lang/rust/pull/38909
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[38920]: https://github.com/rust-lang/rust/pull/38920
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[38927]: https://github.com/rust-lang/rust/pull/38927
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[39048]: https://github.com/rust-lang/rust/pull/39048
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[39282]: https://github.com/rust-lang/rust/pull/39282
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[39379]: https://github.com/rust-lang/rust/pull/39379
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[`<*const T>::wrapping_offset`]: https://doc.rust-lang.org/std/primitive.pointer.html#method.wrapping_offset
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[`<*mut T>::wrapping_offset`]: https://doc.rust-lang.org/std/primitive.pointer.html#method.wrapping_offset
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[`Duration::checked_add`]: https://doc.rust-lang.org/std/time/struct.Duration.html#method.checked_add
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[`Duration::checked_div`]: https://doc.rust-lang.org/std/time/struct.Duration.html#method.checked_div
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[`Duration::checked_mul`]: https://doc.rust-lang.org/std/time/struct.Duration.html#method.checked_mul
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[`Duration::checked_sub`]: https://doc.rust-lang.org/std/time/struct.Duration.html#method.checked_sub
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[`File::set_permissions`]: https://doc.rust-lang.org/std/fs/struct.File.html#method.set_permissions
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[`IpAddr::is_ipv4`]: https://doc.rust-lang.org/std/net/enum.IpAddr.html#method.is_ipv4
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[`IpAddr::is_ipv6`]: https://doc.rust-lang.org/std/net/enum.IpAddr.html#method.is_ipv6
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[`Result::unwrap_or_default`]: https://doc.rust-lang.org/std/result/enum.Result.html#method.unwrap_or_default
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[`SocketAddr::is_ipv4`]: https://doc.rust-lang.org/std/net/enum.SocketAddr.html#method.is_ipv4
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[`SocketAddr::is_ipv6`]: https://doc.rust-lang.org/std/net/enum.SocketAddr.html#method.is_ipv6
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[`String::insert_str`]: https://doc.rust-lang.org/std/string/struct.String.html#method.insert_str
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[`String::split_off`]: https://doc.rust-lang.org/std/string/struct.String.html#method.split_off
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[`Vec::dedup_by_key`]: https://doc.rust-lang.org/std/vec/struct.Vec.html#method.dedup_by_key
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[`Vec::dedup_by`]: https://doc.rust-lang.org/std/vec/struct.Vec.html#method.dedup_by
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[`VecDeque::resize`]: https://doc.rust-lang.org/std/collections/vec_deque/struct.VecDeque.html#method.resize
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[`VecDeque::truncate`]: https://doc.rust-lang.org/std/collections/vec_deque/struct.VecDeque.html#method.truncate
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[`str::repeat`]: https://doc.rust-lang.org/std/primitive.str.html#method.repeat
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[`str::replacen`]: https://doc.rust-lang.org/std/primitive.str.html#method.replacen
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[cargo/3296]: https://github.com/rust-lang/cargo/pull/3296
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[cargo/3301]: https://github.com/rust-lang/cargo/pull/3301
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[cargo/3443]: https://github.com/rust-lang/cargo/pull/3443
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[cargo/3511]: https://github.com/rust-lang/cargo/pull/3511
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[cargo/3515]: https://github.com/rust-lang/cargo/pull/3515
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[cargo/3534]: https://github.com/rust-lang/cargo/pull/3534
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[cargo/3546]: https://github.com/rust-lang/cargo/pull/3546
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[cargo/3557]: https://github.com/rust-lang/cargo/pull/3557
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[cargo/3604]: https://github.com/rust-lang/cargo/pull/3604
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[RFC 1623]: https://github.com/rust-lang/rfcs/blob/master/text/1623-static.md
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Version 1.15.1 (2017-02-09)
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===========================
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