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These new snapshots contain the knowledge of how to build the new triples of
32-bit MSVC and 32-bit FreeBSD, both of which should soon start having
nightlies/auto builders!
This does not currently register bitrig/freebsd snapshots but I believe those
will be retroactively added in the near future.
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... matching the existing Index impls.
There is no reason not to if String implement DerefMut.
The code removed in `src/librustc/middle/effect.rs` was added in #9750
to prevent things like `s[0] = 0x80` where `s: String`,
but I belive became unnecessary when the Index(Mut) traits were introduced.
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`&mut str` is rarely useful, but it is for e.g.
`AsciiExt::make_ascii_lowercase`.
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Implements merged RFC 1152.
Closes #26697.
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Fixes #26737.
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This commit also deprecates the `as_string` and `as_slice` free functions in the
`string` and `vec` modules.
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character's UTF-8 representation is bigger than 1 byte
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With the latter is provided by the `From` conversion trait, the former is now completely redundant. Their code is identical. Let’s deprecate now and plan to remove in the next cycle. (It’s `#[unstable]`.)
r? @alexcrichton
CC @nagisa
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I had to use `impl<'a, V: Copy> Extend<(usize, &'a V)> for VecMap<V>` instead of `impl<'a, V: Copy> Extend<(&'a usize, &'a V)> for VecMap<V>` as that's what is needed for doing
```rust
let mut a = VecMap::new();
let b = VecMap::new();
b.insert(1, "foo");
a.extend(&b)
```
I can squash the commits after review.
r? @Gankro
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Closes #25976.
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With the latter is provided by the `From` conversion trait, the former is now completely redundant. Their code is identical.
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When things get stabilized, they don't always have their docs updated to remove the gate.
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Prefer String::from over from_str; String::from_str is unstable while
String::from is stable. Promote the latter by using it in examples.
Simply migrating unstable function to the closest alternative.
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The same example for ``reverse`` were in the ``reserve_exact``'s example.
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I was profiling my code again and this time AsRef<str> for String
was eating up a considerable chunk of my runtime; adding the inline
annotation made the program run almost twice as fast!
While I was at it I also added the annotation to other implementations
of AsRef as well as AsMut.
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collections: Implement String::drain(range) according to RFC 574
`.drain(range)` is unstable and under feature(collections_drain).
This adds a safe way to remove any range of a String as efficiently as
possible.
As noted in the code, this drain iterator has none of the memory safety
issues of the vector version.
RFC tracking issue is #23055
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`.drain(range)` is unstable and under feature(collections_drain).
This adds a safe way to remove any range of a String as efficiently as
possible.
As noted in the code, this drain iterator has none of the memory safety
issues of the vector version.
RFC tracking issue is #23055
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These implementations were intended to be unstable, but currently the stability
attributes cannot handle a stable trait with an unstable `impl` block. This
commit also audits the rest of the standard library for explicitly-`#[unstable]`
impl blocks. No others were removed but some annotations were changed to
`#[stable]` as they're defacto stable anyway.
One particularly interesting `impl` marked `#[stable]` as part of this commit
is the `Add<&[T]>` impl for `Vec<T>`, which uses `push_all` and implicitly
clones all elements of the vector provided.
Closes #24791
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Conflicts:
src/libcore/result.rs
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This is an implementation of [RFC 1030][rfc] which adds these traits to the
prelude and additionally removes all inherent `into_iter` methods on collections
in favor of the trait implementation (which is now accessible by default).
[rfc]: https://github.com/rust-lang/rfcs/pull/1030
This is technically a breaking change due to the prelude additions and removal
of inherent methods, but it is expected that essentially no code breaks in
practice.
[breaking-change]
Closes #24538
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as accepted in [RFC 526](https://github.com/rust-lang/rfcs/blob/master/text/0526-fmt-text-writer.md).
Note that this brand new method is marked as **stable**. I judged this safe enough: it’s simple enough that it’s very unlikely to change. Still, I can mark it unstable instead if you prefer.
r? @alexcrichton
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This commit removes all the old casting/generic traits from `std::num` that are
no longer in use by the standard library. This additionally removes the old
`strconv` module which has not seen much use in quite a long time. All generic
functionality has been supplanted with traits in the `num` crate and the
`strconv` module is supplanted with the [rust-strconv crate][rust-strconv].
[rust-strconv]: https://github.com/lifthrasiir/rust-strconv
This is a breaking change due to the removal of these deprecated crates, and the
alternative crates are listed above.
[breaking-change]
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Cleaning out more deprecated items
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Fixes #15679
Fixes #15878
Fixes #15882
Closes #15883
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as accepted in [RFC 526](https://github.com/rust-lang/rfcs/blob/master/text/0526-fmt-text-writer.md).
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This implementation is currently about 3-4 times faster than using
the `.to_string()` based approach.
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This is an implementation of [RFC 1030][rfc] which adds these traits to the
prelude and additionally removes all inherent `into_iter` methods on collections
in favor of the trait implementation (which is now accessible by default).
[rfc]: https://github.com/rust-lang/rfcs/pull/1030
This is technically a breaking change due to the prelude additions and removal
of inherent methods, but it is expected that essentially no code breaks in
practice.
[breaking-change]
Closes #24538
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This patch
1. renames libunicode to librustc_unicode,
2. deprecates several pieces of libunicode (see below), and
3. removes references to deprecated functions from
librustc_driver and libsyntax. This may change pretty-printed
output from these modules in cases involving wide or combining
characters used in filenames, identifiers, etc.
The following functions are marked deprecated:
1. char.width() and str.width():
--> use unicode-width crate
2. str.graphemes() and str.grapheme_indices():
--> use unicode-segmentation crate
3. str.nfd_chars(), str.nfkd_chars(), str.nfc_chars(), str.nfkc_chars(),
char.compose(), char.decompose_canonical(), char.decompose_compatible(),
char.canonical_combining_class():
--> use unicode-normalization crate
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Conflicts:
src/libstd/net/ip.rs
src/libstd/sys/unix/fs.rs
src/libstd/sys/unix/mod.rs
src/libstd/sys/windows/mod.rs
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The meaning of each variant of this enum was somewhat ambiguous and it's uncler
that we wouldn't even want to add more enumeration values in the future. As a
result this error has been altered to instead become an opaque structure.
Learning about the "first invalid byte index" is still an unstable feature, but
the type itself is now stable.
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This adds the missing methods and turns `str::pattern` in a user facing module, as per RFC.
This also contains some big internal refactorings:
- string iterator pairs are implemented with a central macro to reduce redundancy
- Moved all tests from `coretest::str` into `collectionstest::str` and left a note to prevent the two sets of tests drifting apart further.
See https://github.com/rust-lang/rust/issues/22477
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CharEq.
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sidesteps a coherence difficulty where `liballoc` had to prove that
`&str: !Error`, which didn't involve any local types.
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Conflicts:
src/libcollectionstest/fmt.rs
src/libcollectionstest/lib.rs
src/libcollectionstest/str.rs
src/libcore/error.rs
src/libstd/fs.rs
src/libstd/io/cursor.rs
src/libstd/os.rs
src/libstd/process.rs
src/libtest/lib.rs
src/test/run-pass-fulldeps/compiler-calls.rs
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* Marks `#[stable]` the contents of the `std::convert` module.
* Added methods `PathBuf::as_path`, `OsString::as_os_str`,
`String::as_str`, `Vec::{as_slice, as_mut_slice}`.
* Deprecates `OsStr::from_str` in favor of a new, stable, and more
general `OsStr::new`.
* Adds unstable methods `OsString::from_bytes` and `OsStr::{to_bytes,
to_cstring}` for ergonomic FFI usage.
[breaking-change]
r? @alexcrichton
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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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