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71 Commits

Author SHA1 Message Date
Marcel Hellwig 73e27b3e18 deny(unsafe_op_in_unsafe_fn) in libstd/process.rs 2020-08-11 09:11:55 +02:00
bors a9025c571e Auto merge of #74621 - LukasKalbertodt:float-docs, r=GuillaumeGomez 
Improve `f32` and `f64` primitive documentation

I noticed that the docs for the primitive floats were fairly short. I first only wanted to add the IEEE specification information (compare [the reference](https://doc.rust-lang.org/reference/types/numeric.html)), but then also added some more beginner-friendly docs. Let me know what you think!

Random doc team assign:
r? @rylev
 2020-08-11 04:10:39 +00:00
Yuki Okushi df2da4637f Rollup merge of #75286 - pickfire:patch-9, r=jyn514 
Add additional case for Path starts with

Show what happens if there is an extra extension
 2020-08-10 09:07:52 +09:00
Yuki Okushi 62e5488198 Rollup merge of #74200 - poliorcetics:std-panicking-unsafe-block-in-unsafe-fn, r=Mark-Simulacrum 
Std panicking unsafe block in unsafe fn

Partial fix of #73904.

This encloses `unsafe` operations in `unsafe fn` in `libstd/ffi/panicking.rs`.

I also made a two lines change to `libstd/thread/local.rs` to add the necessary `unsafe` block without breaking everything else.

@rustbot modify labels: F-unsafe-block-in-unsafe-fn
 2020-08-10 09:07:46 +09:00
Ivan Tham 4b549fa043 show multiple slashes starts_with Path example 
Co-authored-by: Joshua Nelson <joshua@yottadb.com>
 2020-08-10 00:43:45 +08:00
bors 8bc801b050 Auto merge of #75293 - poliorcetics:intra-doc-links-std-path, r=jyn514 
Move to intra-doc links in library/std/src/path.rs

Helps with #75080.

@rustbot modify labels: T-doc, A-intra-doc-links, T-rustdoc

Known issue: The following links are broken (they are inside trait impls, undocumented in this file, inheriting from the original doc):

- [`Hasher`]
- [`Self`] (referencing `../primitive.slice.html`)
- [`Ordering`]
 2020-08-09 12:31:03 +00:00
Yuki Okushi 3038ecb07b Rollup merge of #75289 - pickfire:patch-12, r=jonas-schievink 
Remove ambiguity from PathBuf pop example
 2020-08-09 06:41:33 +09:00
Yuki Okushi 6baee9557a Rollup merge of #75288 - pickfire:patch-11, r=jonas-schievink 
Use assert! for Path exists example to check bool
 2020-08-09 06:41:32 +09:00
Yuki Okushi 42e163bf40 Rollup merge of #75287 - pickfire:patch-10, r=jonas-schievink 
Show Path extension example change multi extension
 2020-08-09 06:41:30 +09:00
Yuki Okushi 28ab318f57 Rollup merge of #75285 - pickfire:patch-8, r=jonas-schievink 
Separate example for Path strip_prefix
 2020-08-09 06:41:28 +09:00
Yuki Okushi 27b864b154 Rollup merge of #75284 - pickfire:patch-7, r=LukasKalbertodt 
Show relative example for Path ancestors
 2020-08-09 06:41:27 +09:00
Yuki Okushi cbc6914baa Rollup merge of #75262 - pickfire:patch-6, r=jyn514 
Show multi extension example for Path in doctests
 2020-08-09 06:41:23 +09:00
Yuki Okushi ccffe18c3e Rollup merge of #75162 - poliorcetics:move-documentation-fix, r=jyn514 
Fix the documentation for move about Fn traits implementations

Fixes #74997.

This uses the note from the [reference](https://doc.rust-lang.org/reference/types/closure.html#call-traits-and-coercions) but I can also just put a link to it or do both.

@rusbot modify labels: C-bug T-doc T-libs
 2020-08-09 06:41:20 +09:00
Yuki Okushi dde4fb3fd2 Rollup merge of #74842 - hermitcore:thread_local, r=Mark-Simulacrum 
adjust remaining targets

- fix commit 7dc3886
- previous commit doesn't adjust all targets
 2020-08-09 06:41:16 +09:00
bors 1facd4a77b Auto merge of #75163 - canova:map_into_keys_values, r=dtolnay 
Implement `into_keys` and `into_values` for associative maps

This PR implements `into_keys` and `into_values` for HashMap and BTreeMap types. They are implemented as unstable, under `map_into_keys_values` feature.
Fixes #55214.
r? @dtolnay
 2020-08-08 18:15:50 +00:00
Nazım Can Altınova 4cd2637e2b Update the tracking issue number of map_into_keys_values 2020-08-08 16:35:54 +02:00
Alexis Bourget 1cd8dffdae Add an example about the behaviour of move and Fn* traits 2020-08-08 15:57:17 +02:00
Alexis Bourget 6d77e40afe Move to intra-doc links in library/std/src/path.rs 2020-08-08 14:21:27 +02:00
bors c989ac132a Auto merge of #74289 - lzutao:unroll, r=LukasKalbertodt 
Remove some redundant parts from `unrolled_find_u16s`

See each commit message for details.

r? @wesleywiser from old PR #67705 .
 2020-08-08 11:34:18 +00:00
Ivan Tham 4b15b809eb Remove abmiguity from PathBuf pop example 2020-08-08 18:28:55 +08:00
Ivan Tham b3ae88f6bb Use assert! for Path exists example to check bool 2020-08-08 18:23:18 +08:00
Ivan Tham 9532b83912 Show Path extension example change multi extension 2020-08-08 18:14:29 +08:00
Ivan Tham e7e41a8465 Add additonal case for Path starts with 
Show what happens if there is an extra extension
 2020-08-08 18:06:04 +08:00
Ivan Tham 6dffd2d18e Separate example for Path strip_prefix 2020-08-08 18:01:34 +08:00
Ivan Tham a11c27925d Show relative example for Path ancestors 2020-08-08 17:53:16 +08:00
Alan Egerton 5792840bf5 Prevent __rust_begin_short_backtrace frames from being tail-call optimised away 2020-08-07 19:31:25 +01:00
Ivan Tham 06cf40f8a1 Show multi extension example for Path in doctests 2020-08-08 00:48:12 +08:00
Nazım Can Altınova 25545ed180 Only print the fields that are relevant to iterators for Debug of IntoKeys and IntoValues 2020-08-07 13:47:04 +02:00
Nazım Can Altınova 41dd4ee7ff Add unit tests for new HashMap::into_{keys,values} methods 2020-08-07 13:13:41 +02:00
Nazım Can Altınova e31116af50 Add into_{keys,values} methods for HashMap 2020-08-07 13:13:37 +02:00
bors 8b26609481 Auto merge of #70052 - Amanieu:hashbrown7, r=Mark-Simulacrum 
Update hashbrown to 0.8.1

This update includes:
- https://github.com/rust-lang/hashbrown/pull/146, which improves the performance of `Clone` and implements `clone_from`.
- https://github.com/rust-lang/hashbrown/pull/159, which reduces the size of `HashMap` by 8 bytes.
- https://github.com/rust-lang/hashbrown/pull/162, which avoids creating small 1-element tables.

Fixes #28481
 2020-08-07 08:36:15 +00:00
Amanieu d'Antras d51b7b229a Update hashbrown to 0.8.1 2020-08-07 07:03:12 +01:00
Yuki Okushi 1b61fd3ccf Rollup merge of #75179 - lzutao:unsed-ipv4-frominner, r=alexcrichton 
Remove unused FromInner impl for Ipv4Addr

The removed is a unused unstable implementation.
 2020-08-07 09:35:16 +09:00
Yuki Okushi c9c7048038 Rollup merge of #75175 - lzutao:doctest-ipv4-fromu32, r=cuviper 
Make doctests of Ipv4Addr::from(u32) easier to read

There are many zeroes in `0x0d0c0b0au32` which makes it hard to read.
 2020-08-07 09:35:14 +09:00
Tomasz Miąsko 888bc07c6b Keep stdout open in limit_vector_count test 2020-08-06 00:00:00 +00:00
bors c15bae53b5 Auto merge of #75086 - lzutao:u32const, r=oli-obk 
Use u32::from_ne_bytes to fix a FIXME and add comment about that

`u32::from_ne_bytes` has been const stable since 1.44.
 2020-08-06 14:21:48 +00:00
Adam Reichold 9073acdc98 Add fallback for cfg(unix) targets that do not define libc::_SC_IOV_MAX. 2020-08-05 17:15:08 +02:00
Adam Reichold 04a0114e7e Rely only on POSIX semantics for I/O vector count 
All #[cfg(unix)] platforms follow the POSIX standard and define _SC_IOV_MAX so
that we rely purely on POSIX semantics to determine the limits on I/O vector
count.
 2020-08-05 16:57:02 +02:00
Adam Reichold 87edccf0f0 Reduce synchronization overhead of I/O vector count memoization 2020-08-05 16:57:02 +02:00
Adam Reichold 6672f7be03 Memoize the I/O vector count limit 
Keep the I/O vector count limit in a `SyncOnceCell` to avoid the overhead of
repeatedly calling `sysconf` as these limits are guaranteed to not change during
the lifetime of a process by POSIX.
 2020-08-05 16:57:02 +02:00
Adam Reichold 9468752581 Query maximum vector count on Linux and macOS 
Both Linux and MacOS enforce limits on the vector count when performing vectored
I/O via the readv and writev system calls and return EINVAL when these limits
are exceeded. This changes the standard library to handle those limits as short
reads and writes to avoid forcing its users to query these limits using
platform specific mechanisms.
 2020-08-05 16:57:02 +02:00
Lzu Tao d9f260e95e Remove unused FromInner impl for Ipv4Addr 2020-08-05 05:53:07 +00:00
Lzu Tao 725d37cae0 Make doctests of Ipv4Addr::from(u32) easier to read 2020-08-05 05:31:17 +00:00
Lzu Tao 30a1455c8d Use u32::from_ne_bytes to fix a FIXME 
Co-authored-by: Weiyi Wang <wwylele@gmail.com>
Co-authored-by: Adam Reichold <adam.reichold@t-online.de>
Co-authored-by: Josh Stone <cuviper@gmail.com>
Co-authored-by: Scott McMurray <scottmcm@users.noreply.github.com>
Co-authored-by: tmiasko <tomasz.miasko@gmail.com>
 2020-08-05 02:49:26 +00:00
Alexis Bourget d243fa109f Fix the documentation for move about Fn traits implementations 2020-08-04 22:49:25 +02:00
Tim Diekmann ab9362ad9a Replace Memoryblock with NonNull<[u8]> 2020-08-04 18:03:34 +02:00
Tim Diekmann 24ddf76ed7 Merge branch 'master' into remove-in-place-alloc 2020-08-03 02:18:20 +02:00
Manish Goregaokar 9471ab068c Rollup merge of #75059 - shengsheng:typos, r=Dylan-DPC 
fix typos

Fix common misspellings with https://en.wikipedia.org/wiki/Wikipedia:Lists_of_common_misspellings/For_machines
 2020-08-02 13:08:47 -07:00
liuzhenyu 3b4151c9f3 fix typos 2020-08-02 23:20:00 +08:00
Shen-Ta Hsieh 4c851792ac Fix std::fs::File::metadata permission on WASI target 
Previously `std::fs::File::metadata` on wasm32-wasi would call `fd_filestat_get`
to get metadata associated with fd, but that fd is opened without
RIGHTS_FD_FILESTAT_GET right, so it will failed on correctly implemented WASI
environment.

This change instead to add the missing rights when opening an fd.
 2020-07-31 09:01:16 +00:00