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3120 Commits

Author SHA1 Message Date
Giacomo Stevanato
61bb1836f8 Optimize Iterator::is_sorted_by by using Iterator::all for internal iteration 2021-02-16 21:49:56 +01:00
Manish Goregaokar
a98b22c837 Add caveat to Path::display() about lossiness 2021-02-16 11:45:46 -08:00
Peter Todd
3a03cbc9dd
[Minor] Update discriminant_value docs 2021-02-16 08:16:31 -05:00
bjorn3
dfdadad228 Ignore Atomic*::fetch_{min,max} tests on ARM 2021-02-16 09:45:27 +01:00
bors
f1c47c79fe Auto merge of #82058 - gilescope:to_digit_speedup, r=lcnr 
no need to check assertion on fast path as will always hold.

V small change. Easy to review though!
 2021-02-16 08:38:11 +00:00
Teddy Katz
cb653b100c Document that assert! format arguments are evaluated lazily 
It can be useful to do some computation in `assert!` format arguments, in order to get better error messages. For example:

```rust
assert!(
    some_condition,
    "The state is invalid. Details: {}",
    expensive_call_to_get_debugging_info(),
);
```

It seems like `assert!` only evaluates the format arguments if the assertion fails, which is useful but doesn't appear to be documented anywhere. This PR documents the behavior and adds some tests.
 2021-02-16 00:55:46 -05:00
Lukas Kalbertodt
c675af82b4
Add internal collect_into_array[_unchecked] to remove duplicate code 
This does not suggest adding such a function to the public API. This is
just for the purpose of avoiding duplicate code. Many array methods
already contained the same kind of code and there are still many array
related methods to come (e.g. `Iterator::{chunks, map_windows, next_n,
...}`) which all basically need this functionality. Writing custom
`unsafe` code for each of those seems not like a good idea.
 2021-02-15 17:52:33 +01:00
Jonas Schievink
c87ef218f9
Rollup merge of #82120 - sfackler:arguments-as-str, r=dtolnay 
Stabilize Arguments::as_str

Closes #74442
 2021-02-15 16:07:08 +01:00
Jonas Schievink
2030a54f9d
Rollup merge of #82119 - m-ou-se:typo, r=dtolnay 
Fix typo in link to CreateSymbolicLinkW documentation.
 2021-02-15 16:07:06 +01:00
Jonas Schievink
b0bd056bc9
Rollup merge of #82118 - lukaslueg:env_decl, r=m-ou-se 
Add missing env!-decl variant

Resolves #82117
 2021-02-15 16:07:05 +01:00
Jonas Schievink
7842b5d2ec
Rollup merge of #82063 - NULLx76:fix-minor-typo, r=jonas-schievink 
Fixed minor typo in catch_unwind docs

Changed "a an exception" to "an exception" inside of the `std::panic::catch_unwind` docs.
 2021-02-15 16:06:58 +01:00
Jonas Schievink
c7ebc590da
Rollup merge of #82060 - taiki-e:typo, r=m-ou-se 
Fix typos in BTreeSet::{first, last} docs

map -> set
 2021-02-15 16:06:56 +01:00
Jonas Schievink
bd0e8a5df3
Rollup merge of #81975 - Amanieu:seal2, r=m-ou-se 
Seal the CommandExt, OsStrExt and OsStringExt traits

A crater run (https://github.com/rust-lang/rust/pull/81213#issuecomment-767651811) has shown that this does not break any existing code.

This also unblocks #77728.

Based on #81213.

r? ````@m-ou-se````
cc ````@lygstate````
 2021-02-15 16:06:54 +01:00
Simon Sapin
cac71bf809 Use local path for already-imported function 
This module has `use super::*;` at the top.

Co-authored-by: Oli Scherer <github35764891676564198441@oli-obk.de>
 2021-02-15 14:27:52 +01:00
Simon Sapin
cf000f0408 Pointer metadata: add tracking issue number 2021-02-15 14:27:51 +01:00
Simon Sapin
5ade3fe32c Add a ThinBox library as a libcore test for pointer metadata APIs 2021-02-15 14:27:51 +01:00
Simon Sapin
21ceebf296 Fix intra-doc link to raw pointer method 
CC https://github.com/rust-lang/rust/pull/80181
 2021-02-15 14:27:50 +01:00
Simon Sapin
642486c2b2 Fix libcore unit tests in stage 0 2021-02-15 14:27:48 +01:00
Simon Sapin
3ea7f1504c More doc-comments for pointer metadata APIs 2021-02-15 14:27:34 +01:00
Simon Sapin
787f4de6ab Use new pointer metadata API inside libcore instead of manual transmutes 2021-02-15 14:27:34 +01:00
Simon Sapin
c0e3a1b096 Add to_raw_parts methods to *const, *mut, and NonNull 
These are not named `into_` because they do not consume their receiver
since raw pointers are `Copy`.
 2021-02-15 14:27:33 +01:00
Simon Sapin
937d580a25 Add ptr::from_raw_parts, ptr::from_raw_parts_mut, and NonNull::from_raw_parts 
The use of module-level functions instead of associated functions
on `<*const T>` or `<*mut T>` follows the precedent of
`ptr::slice_from_raw_parts` and `ptr::slice_from_raw_parts_mut`.
 2021-02-15 14:27:31 +01:00
Simon Sapin
9ab83b9338 Add size_of, align_of, and layout methods to DynMetadata 2021-02-15 14:27:17 +01:00
Simon Sapin
b1e15fa8a2 Parameterize DynMetadata over its dyn SomeTrait type 2021-02-15 14:27:16 +01:00
Simon Sapin
696b239f72 Add ptr::Pointee trait (for all types) and ptr::metadata function 
RFC: https://github.com/rust-lang/rfcs/pull/2580
 2021-02-15 14:27:12 +01:00
Squirrel
d2ba68b24e
Update methods.rs 
Remove unused const
 2021-02-15 07:39:15 +00:00
Squirrel
17e238d78e
Use wrapping sub 
Co-authored-by: Mara <m-ou.se@m-ou.se>
 2021-02-15 07:35:28 +00:00
Steven Fackler
4613b3764c Stabilize Arguments::as_str 
Closes #74442
 2021-02-14 17:48:51 -05:00
Alphyr
a357d86b7c Hide internals items in documentation 
Co-authored-by: Joshua Nelson <joshua@yottadb.com>
 2021-02-14 23:39:43 +01:00
Benoît du Garreau
546d062820 Apply suggestions 
- Move `assert_failed` to core::panicking`
- Make `assert_failed` use an enum instead of a string
 2021-02-14 23:39:42 +01:00
Benoît du Garreau
f138e260a0 Apply suggestion 2021-02-14 23:39:42 +01:00
Benoît du Garreau
52197d356c Fix UI tests and merge assert_eq and assert_ne internal functions 2021-02-14 23:39:31 +01:00
lukaslueg
3d7fcfff76
Update library/core/src/macros/mod.rs 
Co-authored-by: Joshua Nelson <joshua@yottadb.com>
 2021-02-14 23:33:43 +01:00
Mara Bos
1aa965101c Fix typo in link to CreateSymbolicLinkW documentation. 2021-02-14 23:16:45 +01:00
Mara Bos
053769dd53 Use #[rustc_inherit_overflow_checks] instead of Add::add etc. 2021-02-14 23:06:36 +01:00
Benoît du Garreau
bbad2b2182 Improve assert_eq! and assert_ne! 
It should improve compile times and reduce instruction cache use by moving the
panic formatting to a monomorphised function
 2021-02-14 23:04:41 +01:00
Lukas Lueg
dee54244a6 Add missing env!-decl variant 
Resolves #82117
 2021-02-14 22:39:47 +01:00
Giles Cope
845c14db05
Simpler way to convert to digit 2021-02-14 17:06:16 +00:00
Dylan DPC
4e888bf403
Rollup merge of #81919 - ssomers:btree_cleanup_comments, r=Mark-Simulacrum 
BTreeMap: fix internal comments

Salvaged from #81372

r? `@Mark-Simulacrum`
 2021-02-14 16:54:49 +01:00
bjorn3
d1a541e342 Add tests for Atomic*::fetch_{min,max} 2021-02-14 11:31:33 +01:00
bors
b86674e7cc Auto merge of #81956 - ssomers:btree_post_75200, r=Mark-Simulacrum 
BTree: remove outdated traces of coercions

The introduction of `marker::ValMut` (#75200) meant iterators no longer see mutable keys but their code still pretends it does. And settle on the majority style `Some(unsafe {…})` over `unsafe { Some(…) }`.

r? `@Mark-Simulacrum`
 2021-02-14 04:53:24 +00:00
bors
8e54a21139 Auto merge of #81238 - RalfJung:copy-intrinsics, r=m-ou-se 
directly expose copy and copy_nonoverlapping intrinsics

This effectively un-does https://github.com/rust-lang/rust/pull/57997. That should help with `ptr::read` codegen in debug builds (and any other of these low-level functions that bottoms out at `copy`/`copy_nonoverlapping`), where the wrapper function will not get inlined. See the discussion in https://github.com/rust-lang/rust/pull/80290 and https://github.com/rust-lang/rust/issues/81163.

Cc `@bjorn3` `@therealprof`
 2021-02-13 20:30:07 +00:00
Matthew Jasper
9bbd3e0f8e Remove ProjectionTy::from_ref_and_name 2021-02-13 19:29:55 +00:00
bors
3c10a880ec Auto merge of #81494 - cuviper:btree-node-init, r=Mark-Simulacrum 
Initialize BTree nodes directly in the heap

We can avoid any stack-local nodes entirely by using `Box::new_uninit`, and since the nodes are mostly `MaybeUninit` fields, we only need a couple of actual writes before `assume_init`. This should help with the stack overflows in #81444, and may also improve performance in general.

r? `@Mark-Simulacrum`
cc `@ssomers`
 2021-02-13 17:29:22 +00:00
Victor Roest
ee9709fae6
Fixed minor typo in catch_unwind docs 
Changed 'a an exception' to 'an exception'
 2021-02-13 16:59:06 +01:00
Taiki Endo
dd9db236cd Fix typos in BTreeSet::{first, last} docs 2021-02-13 22:49:46 +09:00
Giles Cope
b70428b9fb
no need to check assertion on fast path. 2021-02-13 12:25:56 +00:00
bors
3158857297 Auto merge of #81854 - the8472:specialize-clone-slice, r=Mark-Simulacrum 
specialize slice::clone_from_slice() for T: Copy
 2021-02-13 10:55:19 +00:00
Yuki Okushi
0ca5fd7ebc
Rollup merge of #82050 - hbina:fix/added-test-to-drain-empty-vec, r=dtolnay 
Added tests to drain an empty vec

Discovered this kind of issue in an unrelated library.
The author copied the tests from here and AFAIK, there are no tests for this particular case.

https://github.com/LeonineKing1199/minivec/pull/19

Signed-off-by: Hanif Bin Ariffin <hanif.ariffin.4326@gmail.com>
 2021-02-13 16:36:52 +09:00
Yuki Okushi
2673026995
Rollup merge of #82041 - notriddle:shared-from-slice-docs, r=m-ou-se 
Add docs for shared_from_slice From impls

The advantage of making these docs is mostly in pointing out that these
functions all make new allocations and copy/clone/move the source into them.

These docs are on the function, and not the `impl` block, to avoid showing
the "[+] show undocumented items" button.

CC #51430
 2021-02-13 16:36:51 +09:00