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Author SHA1 Message Date
Mazdak Farrokhzad
379c380a60 libstd: deny(elided_lifetimes_in_paths) 2019-03-31 12:56:51 +02:00
Scott McMurray
df4ea90b39 Use lifetime contravariance to elide more lifetimes in core+alloc+std 2019-03-09 19:10:28 -08:00
Taiki Endo
93b6d9e086 libstd => 2018 2019-02-28 04:06:15 +09:00
kennytm
e3a8f7db47
Rollup merge of #58553 - scottmcm:more-ihle, r=Centril 
Use more impl header lifetime elision

Inspired by seeing explicit lifetimes on these two:

- https://doc.rust-lang.org/nightly/std/slice/struct.Iter.html#impl-FusedIterator
- https://doc.rust-lang.org/nightly/std/primitive.u32.html#impl-Not

And a follow-up to https://github.com/rust-lang/rust/pull/54687, that started using IHLE in libcore.

Most of the changes in here fall into two big categories:

- Removing lifetimes from common traits that can essentially never user a lifetime from an input (particularly `Drop`, `Debug`, and `Clone`)

- Forwarding impls that are only possible because the lifetime doesn't matter (like `impl<R: Read + ?Sized> Read for &mut R`)

I omitted things that seemed like they could be more controversial, like the handful of iterators that have a `Item: 'static` despite the iterator having a lifetime or the `PartialEq` implementations [where the flipped one cannot elide the lifetime](https://internals.rust-lang.org/t/impl-type-parameter-aliases/9403/2?u=scottmcm).

I also removed two lifetimes that turned out to be completely unused; see https://github.com/rust-lang/rust/issues/41960#issuecomment-464557423
 2019-02-20 11:59:10 +08:00
Scott McMurray
3bea2ca49d Use more impl header lifetime elision 
There are two big categories of changes in here

- Removing lifetimes from common traits that can essentially never user a lifetime from an input (particularly `Drop` & `Debug`)
- Forwarding impls that are only possible because the lifetime doesn't matter (like `impl<R: Read + ?Sized> Read for &mut R`)

I omitted things that seemed like they could be more controversial, like the handful of iterators that have a `Item: 'static` despite the iterator having a lifetime or the `PartialEq` implementations where the flipped one cannot elide the lifetime.
 2019-02-17 19:42:36 -08:00
Alexander Regueiro
99ed06eb88 libs: doc comments 2019-02-10 23:57:25 +00:00
Mark Rousskov
2a663555dd Remove licenses 2018-12-25 21:08:33 -07:00
Alexander Regueiro
ee89c088b0 Various minor/cosmetic improvements to code 2018-12-07 23:53:34 +00:00
ljedrz
8c4129cd9a cleanup: remove static lifetimes from consts in libstd 2018-12-04 10:21:42 +01:00
bors
65204a97d4 Auto merge of #55278 - Centril:constification-1, r=alexcrichton 
Minor standard library constification

This PR makes some bits of the standard library into `const fn`s.
I've tried to be as aggressive as I possibly could in the constification.
The list is rather small due to how restrictive `const fn` is at the moment.

r? @oli-obk cc @rust-lang/libs

Stable public APIs affected:
+ [x] `Cell::as_ptr`
+ [x] `UnsafeCell::get`
+ [x] `char::is_ascii`
+ [x] `iter::empty`
+ [x] `ManuallyDrop::{new, into_inner}`
+ [x] `RangeInclusive::{start, end}`
+ [x] `NonNull::as_ptr`
+ [x] `{[T], str}::as_ptr`
+ [x] `Duration::{as_secs, subsec_millis, subsec_micros, subsec_nanos}`
+ [x] `CStr::as_ptr`
+ [x] `Ipv4Addr::is_unspecified`
+ [x] `Ipv6Addr::new`
+ [x] `Ipv6Addr::octets`

Unstable public APIs affected:
+ [x] `Duration::{as_millis, as_micros, as_nanos, as_float_secs}`
+ [x] `Wrapping::{count_ones, count_zeros, trailing_zeros, rotate_left, rotate_right, swap_bytes, reverse_bits, from_be, from_le, to_be, to_le, leading_zeros, is_positive, is_negative, leading_zeros}`
+ [x] `core::convert::identity`

--------------------------

## Removed from list in first pass:

Stable public APIs affected:
+ [ ] `BTree{Map, Set}::{len, is_empty}`
+ [ ] `VecDeque::is_empty`
+ [ ] `String::{is_empty, len}`
+ [ ] `FromUtf8Error::utf8_error`
+ [ ] `Vec<T>::{is_empty, len}`
+ [ ] `Layout::size`
+ [ ] `DecodeUtf16Error::unpaired_surrogate`
+ [ ] `core::fmt::{fill, width, precision, sign_plus, sign_minus, alternate, sign_aware_zero_pad}`
+ [ ] `panic::Location::{file, line, column}`
+ [ ] `{ChunksExact, RChunksExact}::remainder`
+ [ ] `Utf8Error::valid_up_to`
+ [ ] `VacantEntry::key`
+ [ ] `NulError::nul_position`
+ [ ] `IntoStringError::utf8_error`
+ [ ] `IntoInnerError::error`
+ [ ] `io::Chain::get_ref`
+ [ ] `io::Take::{limit, get_ref}`
+ [ ] `SocketAddrV6::{flowinfo, scope_id}`
+ [ ] `PrefixComponent::{kind, as_os_str}`
+ [ ] `Path::{ancestors, display}`
+ [ ] `WaitTimeoutResult::timed_out`
+ [ ] `Receiver::{iter, try_iter}`
+ [ ] `thread::JoinHandle::thread`
+ [ ] `SystemTimeError::duration`

Unstable public APIs affected:
+ [ ] `core::fmt::Arguments::new_v1`
+ [ ] `core::fmt::Arguments::new_v1_formatted`
+ [ ] `Pin::{get_ref, into_ref}`
+ [ ] `Utf8Lossy::chunks`
+ [ ] `LocalWaker::as_waker`
+ [ ] `panic::PanicInfo::{internal_constructor, message, location}`
+ [ ] `panic::Location::{internal_constructor }`

## Removed from list in 2nd pass:

Stable public APIs affected:
+ [ ] `LinkedList::{new, iter, is_empty, len}`
+ [ ] `mem::forget`
+ [ ] `Cursor::{new, get_ref, position}`
+ [ ] `io::{empty, repeat, sink}`
+ [ ] `PoisonError::new`
+ [ ] `thread::Builder::new`
+ [ ] `process::Stdio::{piped, inherit, null}`

Unstable public APIs affected:
+ [ ] `io::Initializer::{zeroing, should_initialize}`
 2018-11-12 18:54:11 +00:00
Bruce Mitchener
9b4d68e53b Fix documentation typos. 2018-11-10 19:31:49 +07:00
Mazdak Farrokhzad
e15c62d61f revert making internal APIs const fn. 2018-11-10 01:10:07 +01:00
Mazdak Farrokhzad
d1d2aa22c0 reduce list to functions callable in const ctx. 2018-11-10 01:10:07 +01:00
Mazdak Farrokhzad
f65b630d33 constify parts of libstd. 2018-11-10 01:10:07 +01:00
Austin Bonander
092bf2b500 make CStr::from_bytes_with_nul_unchecked() a const fn 
closes #54678
 2018-10-02 04:25:40 -07:00
kennytm
2882119feb
Rollup merge of #53976 - GuillaumeGomez:expect-world, r=steveklabnik 
Replace unwrap calls in example by expect

Part of #51668.

r? @steveklabnik
 2018-09-14 00:41:34 +08:00
Simonas Kazlauskas
0ec351d528 &CStr, not CStr, is the counterpart of &str 2018-09-08 20:01:41 +03:00
Guillaume Gomez
72ba0ba3d7 Replace unwrap calls in example by expect 2018-09-05 23:54:07 +02:00
Corey Farwell
ec18991492 Add links to std::char::REPLACEMENT_CHARACTER from docs. 
There are a few places where we mention the replacement character in the
docs, and it could be helpful for users to utilize the constant which is
available in the standard library, so let’s link to it!
 2018-08-11 15:42:35 -04:00
Pietro Albini
b7ee110ea2
Rollup merge of #52340 - cypher:document-from-trait-in-ffi, r=steveklabnik 
Document From trait implementations for OsStr, OsString, CString, and CStr

As part of issue #51430 (cc @skade).

The allocation and copy claims should be double-checked.

r? @steveklabnik
 2018-08-01 10:12:32 +02:00
Tatsuyuki Ishi
4f1d4e4db6 Merge remote-tracking branches 'ljedrz/dyn_libcore', 'ljedrz/dyn_libstd' and 'ljedrz/dyn_libterm' into dyn-rollup 2018-07-25 10:25:02 +09:00
Markus Wein
ed5edcb318
Seperate summaries from rest of the comment 2018-07-23 15:38:15 +02:00
Markus Wein
b81ee0b370
Document From conversions for CString and CStr 2018-07-16 20:37:28 +02:00
ljedrz
560d8079ec Deny bare trait objects in src/libstd. 2018-07-10 20:35:36 +02:00
Matt Brubeck
cdff2f3b30 impl Clone for Box<CStr>, Box<OsStr>, Box<Path> 
Implements #51908.
 2018-07-06 12:57:47 -07:00
kennytm
8366780164
Rollup merge of #50170 - burtonageo:more_cow_from, r=alexcrichton 
Implement From for more types on Cow

This is basically https://github.com/rust-lang/rust/pull/48191, except that it should be implemented in a way that doesn't break third party crates.
 2018-05-17 05:22:07 +08:00
George Burton
7c0f664f15
Fix typo 2018-05-09 07:32:50 +01:00
George Burton
17e262880c Update features to 1.28.0 2018-05-09 07:23:02 +01:00
bors
357bf00f1c Auto merge of #48925 - zackmdavis:fn_must_stabilize, r=nikomatsakis 
stabilize `#[must_use]` for functions and must-use comparison operators (RFC 1940)

r? @nikomatsakis
 2018-04-30 22:02:33 +00:00
Eric Huss
269d279094 Fix some broken links in docs. 2018-04-29 10:15:40 -07:00
Zack M. Davis
3dbdccc6a9 stabilize #[must_use] for functions and must-use operators 
This is in the matter of RFC 1940 and tracking issue #43302.
 2018-04-28 20:32:49 -07:00
George Burton
f3e858aae7 Update the stable attributes to use the current nightly version number 2018-04-27 20:46:06 +01:00
George Burton
ea8131de53 Add cstring_from_cow_cstr and osstring_from_cow_osstr 2018-04-27 20:27:38 +01:00
George Burton
1133a149f1 Implement From for more types on Cow 2018-04-22 22:57:52 +01:00
Guillaume Gomez
5344b07add Add new warning for CStr::from_ptr 2018-02-24 16:50:44 +01:00
Corey Farwell
872c782a55 Mark doc examples w/ extern blocks as ignore. 
Fixes https://github.com/rust-lang/rust/issues/48218.
 2018-02-18 10:27:45 -05:00
Tobias Bucher
6c86da288a Make wording around 0-cost casts more precise 2018-01-27 17:54:01 +01:00
Oliver Middleton
a8d107be25 Correct a few stability attributes 2017-12-27 14:11:05 +00:00
Murarth
1bbc776446 Implement Rc/Arc conversions for string-like types 
Provides the following conversion implementations:

* `From<`{`CString`,`&CStr`}`>` for {`Arc`,`Rc`}`<CStr>`
* `From<`{`OsString`,`&OsStr`}`>` for {`Arc`,`Rc`}`<OsStr>`
* `From<`{`PathBuf`,`&Path`}`>` for {`Arc`,`Rc`}`<Path>`
 2017-11-25 22:13:11 -07:00
Alex Crichton
5c3fe111d4 std: Avoid use of libc in portable modules 
This commit removes usage of the `libc` crate in "portable" modules like
those at the top level and `sys_common`. Instead common types like `*mut
u8` or `u32` are used instead of `*mut c_void` or `c_int` as well as
switching to platform-specific functions like `sys::strlen` instead of
`libc::strlen`.
 2017-11-09 07:56:44 -08:00
kennytm
6c43bd3c83 Rollup merge of #44855 - federicomenaquintero:master, r=steveklabnik 
Improved docs for CStr, CString, OsStr, OsString

This expands the documentation for those structs and their corresponding traits, per https://github.com/rust-lang/rust/issues/29354
 2017-10-13 23:37:51 +08:00
Federico Mena Quintero
026451093d ffi/c_str.rs: Use only one space after a period ending a sentence 2017-10-11 17:53:13 -05:00
Federico Mena Quintero
a9a4ce6dcc ffi/c_str.rs: Fix method/function confusion 
Per https://github.com/rust-lang/rust/pull/44855#discussion_r144049179
 2017-10-11 17:52:39 -05:00
Federico Mena Quintero
d5bdfbced6 ffi/c_str.rs: Make all descriptions have a single-sentence summary at the beginning 
Per https://github.com/rust-lang/rust/pull/44855#discussion_r144048837
and subsequent ones.
 2017-10-11 17:51:37 -05:00
Federico Mena Quintero
9854e836a3 Remove the implication that CString contains UTF-8 data. 2017-10-02 13:53:50 -05:00
Nikolai Vazquez
755fd29b60 Fix mutability error in CString::from_raw 2017-09-28 07:56:35 -04:00
Nikolai Vazquez
6d14512fd9 Remove mem::transmute used in CStr conversions 2017-09-28 00:51:38 -04:00
Federico Mena Quintero
3c5e18f322 Point from the error structs back to the method that created them, like in iterators 2017-09-25 13:51:48 -05:00
Federico Mena Quintero
2cb2a0606a Overhaul the ffi::CStr documentation. 2017-09-25 13:51:48 -05:00
Federico Mena Quintero
8da694a421 Overhaul the ffi::CString docs 
Explain the struct's reason for being, and its most common usage
patterns.  Add a bunch of links.

Clarify the method docs a bit.

Part of https://github.com/rust-lang/rust/issues/29354
 2017-09-25 13:51:48 -05:00