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37 Commits

Author SHA1 Message Date
bjorn3
29166cd617 Move std float unit tests to integration tests 2025-01-26 10:28:04 +00:00
Trevor Gross
fc43c01417 Add math functions for f16 and f128 
This adds missing functions for math operations on the new float types.

Platform support is pretty spotty at this point, since even platforms
with generally good support can be missing math functions.
`std/build.rs` is updated to reflect this.
 2024-08-01 15:38:51 -04:00
Kriskras99
99f879c32f Document the column numbers for the dbg! macro 
The line numbers were also made consistent, some examples used the line numbers as shown on the playground while others used the line numbers that you would expect when just seeing the documentation.
The second option was chosen to make everything consistent.
 2024-07-17 14:10:41 +02:00
Trevor Gross
e181297c8c Add tests for f16 and f128 
This suite tests all library functions that are now available for the
types. Tests are only run on certain platforms where `f16` and `f128`
are known to work (have symbols available and don't crash LLVM).
 2024-06-25 01:32:36 -04:00
darklyspaced
cbb36d808b added column number to dbg!() 2023-12-12 18:12:23 +08:00
Ian Jackson
55159e80ad print macros: add xrefs to format syntax documentation 2023-08-28 11:51:41 +02:00
clubby789
7201271fe8 Fix typo in eprintln docs 2023-06-21 01:08:10 +01:00
gimbles
cc2881391a Add tidy check for dbg 2022-12-31 15:32:09 +05:30
Usama Arif
dfbc1f712d stdio: Document no support for writing to non-blocking stdio/stderr 
Printing to stdio/stderr that have been opened with non-blocking
(O_NONBLOCK in linux) can result in an error, which is not handled
by std::io module causing a panic.

Signed-off-by: Usama Arif <usama.arif@bytedance.com>
 2022-09-07 14:22:57 +01:00
Guillaume Gomez
ae838f7645 Rollup merge of #99742 - sigaloid:master, r=thomcc 
Add comments about stdout locking

This is the source of some confusion regarding the `println!` macro:
* https://llogiq.github.io/2017/06/01/perf-pitfalls.html#unbuffered-io
* https://news.ycombinator.com/item?id=18794930
* https://reddit.com/r/rust/comments/5puyx2/why_is_println_so_slow/dcua5g5/
* https://reddit.com/r/rust/comments/ab7hsi/comparing_pythagorean_triples_in_c_d_and_rust/ecy7ql8/

In some of these cases it's not the locking behavior where the bottleneck lies, but it's still mentioned as a surprise when, eg, benchmarking a million `println!`'s in a very tight loop.

If there's any stylistic problems please feel free to correct me! This is my first contribution and I want to get it right 🦀
 2022-08-26 14:08:44 +02:00
Isaac Cloos
acca4b8f86 Extra documentation for new formatting feature 
High traffic macros should detail this helpful addition.
 2022-08-21 15:28:27 -04:00
sigaloid
fab36d1713 Add comments about stdout locking 2022-07-25 21:58:30 -04:00
David Tolnay
0502496b1e Make write/print macros eagerly drop temporaries 2022-05-22 16:11:08 -07:00
Gim
a47edcf72a Update macros.rs 2022-05-18 07:31:58 +05:30
bors
4dd8b420c0 Auto merge of #96521 - petrochenkov:docrules, r=notriddle,GuillaumeGomez 
rustdoc: Resolve doc links referring to `macro_rules` items

cc https://github.com/rust-lang/rust/issues/81633

UPD: the fallback to considering *all* `macro_rules` in the crate for unresolved names is not removed in this PR, it will be removed separately and will be run through crater.
 2022-05-01 20:28:10 +00:00
Vadim Petrochenkov
6083db7c4e Fix some links in the standard library 2022-05-01 00:02:34 +03:00
David Tolnay
3a8f81aac9 Make [e]println macros eagerly drop temporaries (for backport) 2022-04-27 13:22:41 -07:00
David Tolnay
af53809c87 Format core and std macro rules, removing needless surrounding blocks 2022-03-11 15:26:51 -08:00
Alex Macleod
7ea03db04a Add diagnostic items for macros 2022-01-06 14:59:33 +00:00
Pietro Albini
24f9de5a44 bump bootstrap compiler to 1.55 2021-08-01 11:19:24 -04:00
Aaron Hill
886dea2bcd Make SEMICOLON_IN_EXPRESSIONS_FROM_MACROS warn by default 2021-07-27 14:17:37 -05:00
Vadim Petrochenkov
6c9ea1e8a9 expand: Support helper attributes for built-in derive macros 2021-07-13 21:59:22 +03:00
Ian Jackson
b36a3162fe Change "etc." to "and similar" 
Co-authored-by: Josh Triplett <josh@joshtriplett.org>
 2021-05-13 15:02:02 +01:00
Ian Jackson
a173518ceb dbg macro: Discuss use in tests, and slightly clarify 
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
 2021-05-12 12:09:53 +01:00
LeSeulArtichaut
a6eb836ff0 Use #[doc = include_str!()] in std 2021-02-23 15:54:55 +01:00
Joshua Nelson
3733275854 Update the bootstrap compiler 
Note this does not change `core::derive` since it was merged after the
beta bump.
 2021-02-20 17:19:30 -05:00
Mara Bos
d5414f9a9f Implement new panic!() behaviour for Rust 2021. 2021-01-25 13:48:11 +01:00
Lzu Tao
d0c1405564 Document why cannot use concat! in dbg! 
Co-authored-by: Miguel Ojeda <ojeda@users.noreply.github.com>
 2021-01-21 10:50:21 +00:00
Mark Rousskov
fe031180d0 Bump bootstrap compiler to 1.50 beta 2020-12-30 09:27:19 -05:00
Mara Bos
ff8df0bbe3 Add cfg(not(test)) to std_panic_macro rustc_diagnostic_item. 2020-10-19 10:57:44 +02:00
Mara Bos
dd262e3856 Add cfg(not(bootstrap)) on the new rustc_diagnostic_item attributes. 
The beta compiler doesn't accept rustc_diagnostic_items on macros yet.
 2020-10-18 23:45:20 +02:00
Mara Bos
462ee9c1b5 Mark the panic macros as diagnostic items. 2020-10-18 22:20:19 +02:00
Taiki Endo
04c0018d1b Use ? in core/std macros 2020-10-26 07:15:37 +09:00
Camelid
637659be6a Add missing links 2020-08-22 20:23:50 -07:00
Camelid
becf5ec4ea Add missing intra-doc link 2020-08-22 17:41:40 -07:00
Camelid
5d32786b4f Switch to intra-doc links in std::macros 
Also:
* Fix typo in module docs
* Link to `std::io::stderr` instead of `std::io::Stderr` to match the
  link text
* Link to `std::io::stdout`
 2020-08-22 15:44:00 -07:00
mark
2c31b45ae8 mv std libs to library/ 2020-07-27 19:51:13 -05:00