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210 Commits

Author SHA1 Message Date
Simon Sapin
4ca77f702f Remove unstable and deprecated APIs 2018-07-30 18:18:23 +02:00
Jonathan Behrens
abb704ec78 State default capacity for BufReader/BufWriter 2018-07-26 00:49:35 +01:00
Andy Russell
c12a757424
simplify assertions 2018-07-11 14:39:22 -04:00
Andy Russell
a1e1b5c3fb
rework LineWriter example 
The original example didn't check the return value of `write()`, didn't
flush the writer, and didn't properly demonstrate the buffering.

Fixes #51621.
 2018-07-08 17:46:23 -04:00
Simon Sapin
7cbeddb7b7 Deprecate Read::chars and char::decode_utf8 
Per FCP:

* https://github.com/rust-lang/rust/issues/27802#issuecomment-377537778
* https://github.com/rust-lang/rust/issues/33906#issuecomment-377534308
 2018-04-15 08:18:00 +02:00
kennytm
93ad4f2b9c
Rollup merge of #49594 - mbrubeck:docs, r=steveklabnik 
Add some performance guidance to std::fs and std::io docs

Adds more documentation about performance to various "read" functions in `fs` and `io`, and to `BufReader`/`BufWriter`, with the goal of helping developers choose the best option for a given task.
 2018-04-05 02:17:03 +08:00
Matt Brubeck
390f8367e7 Add performance notes to BufReader/BufWriter docs 2018-04-03 15:25:55 -07:00
Rolf van de Krol
a2a0f21ba1 Fix typo 2018-04-02 21:48:56 +02:00
Corey Farwell
e9dcec070d Remove hidden foo functions from doc examples; use Termination trait. 
Fixes https://github.com/rust-lang/rust/issues/49233.
 2018-03-28 13:15:05 +02:00
Steven Fackler
16da5d4bb2 Add BufReader::buffer 
This subsumes the need for an explicit is_empty function, and provides
access to the buffered data itself which has been requested from time to
time.
 2018-03-18 13:14:29 -07:00
Matthias Krüger
4452446292 fix more typos found by codespell. 2018-02-17 17:38:49 +01:00
kennytm
6966f335ac
Rollup merge of #47330 - bmusin:patch-2, r=shepmaster 
fix off-by-one error

Fixes https://github.com/rust-lang/rust/issues/47325.
 2018-01-15 18:49:33 +08:00
bors
80e2e67f4c Auto merge of #46832 - Diggsey:bufread-cheaper-seek, r=alexcrichton 
BufRead: Only flush the internal buffer if seeking outside of it.

Fixes #31100

r? @dtolnay
 2018-01-14 00:42:11 +00:00
Diggory Blake
c96f30257a Add note to documentation 2018-01-13 18:44:25 +00:00
Diggory Blake
562ba04e45 Implement "seek_relative" 2018-01-13 18:39:37 +00:00
Bulat Musin
cee295e8af fix off-by-one error 2018-01-13 07:23:43 +03:00
Corey Farwell
f3ef077b91 Document when LineWriter flushes; document errors for into_inner. 
Fixes https://github.com/rust-lang/rust/issues/42468.
 2018-01-02 13:30:44 -08:00
Trevor Spiteri
9d6bd0536a docs: do not call integer overflows as underflows 2017-12-21 02:39:01 +01:00
Jonathan Behrens
df4b78160c
Implement is_empty() for BufReader 2017-10-18 14:27:33 -04:00
Zack M. Davis
1b6c9605e4 use field init shorthand EVERYWHERE 
Like #43008 (f668999), but _much more aggressive_.
 2017-08-15 15:29:17 -07:00
Evan Cameron
72e8009185 Remove mut where possible 2017-07-20 13:59:44 -04:00
John Gallagher
c6b280e039 Add warning to BufWriter documentation 2017-07-09 17:59:59 -04:00
Steven Fackler
ecbb896b9e Add Read::initializer. 
This is an API that allows types to indicate that they can be passed
buffers of uninitialized memory which can improve performance.
 2017-06-20 20:26:22 -07:00
Oliver Middleton
b4be475836 Fix Markdown issues in the docs 
* Since the switch to pulldown-cmark reference links need a blank line
before the URLs.
* Reference link references are not case sensitive.
* Doc comments need to be indented uniformly otherwise rustdoc gets
confused.
 2017-04-06 12:57:40 +01:00
Utkarsh Kukreti
9d912b683a libstd: replace all try! with ? in documentation examples 
See #38644.
 2017-01-22 21:07:38 +05:30
Alex Crichton
ecc60106c9 std: Fix partial writes in LineWriter 
Previously the `LineWriter` could successfully write some bytes but then fail to
report that it has done so. Additionally, an erroneous flush after a successful
write was permanently ignored. This commit fixes these two issues by (a)
maintaining a `need_flush` flag to indicate whether a flush should be the first
operation in `LineWriter::write` and (b) avoiding returning an error once some
bytes have been successfully written.

Closes #37807
 2016-11-28 15:05:04 -08:00
Arthur Silva
dcd80b80ae Remove one bounds check from BufReader 
Otherwise the optimizer can't be sure that pos <= cap. Added a paranoid debug_assert to ensure correctness instead.
 2016-11-10 22:26:50 +01:00
Jonathan Turner
67aaddddd6 Rollup merge of #37115 - GuillaumeGomez:buf_reader_urls, r=kmcallister 
add missing urls for BufWriter and BufReader

r? @steveklabnik
 2016-10-14 12:07:08 -07:00
Guillaume Gomez
96a8bae3da add missing urls for BufWriter and BufReader 2016-10-12 18:27:04 +02:00
Nick Cameron
14c62f91b7 Deprecate Reflect 
[tracking issue](https://github.com/rust-lang/rust/issues/27749)
 2016-10-12 08:40:22 +13:00
Razican
8d06332a27 Fixed small typo in BufRead comments 
`BufRead` comments, in the `Seek` trait	implementation,	was talking
about allocating 8 *ebibytes*. It was a	typo, the correct unit is
*exbibytes*, since *ebibytes* don't even exist.	The calculation	is
correct, though.
 2016-10-05 13:18:45 +02:00
Brian Anderson
9c4a01ee9e Ignore lots and lots of std tests on emscripten 2016-09-30 14:02:48 -07:00
Christopher Serr
e107c8b849 Fix outdated Doc Comment on BufReader::seek 
A long time ago non-panicking `unwrap` methods were renamed to `into_inner` in this Pull Request: https://github.com/rust-lang/rust/pull/19149

Looks like this doc comment was not updated however.
 2016-09-21 21:11:53 +02:00
Richard Janis Goldschmidt
c8b656bea5 Remove unnecessary cmp::min from BufWriter::write 
The first branch of the if statement already checks if `buf.len() >= self.buf.capacity()`, which makes the `cmp::min(buf.len(), self.buf.capacity())` redundant: the result will always be `buf.len()`. Therefore, we can pass the `buf` slice directly into `Write::write`.
 2016-09-11 16:48:04 +02:00
Jeffrey Seyfried
9a2c8783d9 Use #[prelude_import] in libstd. 2016-08-24 22:12:48 +00:00
Corey Farwell
62b19c627e Utilize Result::unwrap_err in more places. 2016-05-09 08:40:57 -04:00
Jorge Aparicio
0f02309e4b try! -> ? 
Automated conversion using the untry tool [1] and the following command:

```
$ find -name '*.rs' -type f | xargs untry
```

at the root of the Rust repo.

[1]: https://github.com/japaric/untry
 2016-03-22 22:01:37 -05:00
Steven Allen
c516335815 Add test case for #32085 2016-03-07 18:00:22 -05:00
Steven Allen
6ea8222913 Never return an error after a partial write 
If LineWriter fails to flush, return the number of bytes written instead
of an error.

Fixes #32085
 2016-03-07 16:35:37 -05:00
Alex Crichton
cb343c33ac Fix warnings during tests 
The deny(warnings) attribute is now enabled for tests so we need to weed out
these warnings as well.
 2016-01-26 09:29:28 -08:00
bors
00ee90f0f0 Auto merge of #31070 - sfackler:bufreader-box-slice, r=alexcrichton 
Saves a word, and also prevents the impl from accidentally changing the
buffer length.

r? @alexcrichton
 2016-01-22 06:04:50 +00:00
Steven Fackler
b740c557e2 Use a Box<[u8]> in BufReader 
Saves a word, and also prevents the impl from accidentally changing the
buffer length.
 2016-01-20 22:40:25 -08:00
Steven Fackler
334bee3489 Don't flush in BufWriter destructor after a panic in write 
We don't want to write the same data twice.

Closes #30888
 2016-01-20 22:30:46 -08:00
Andrea Canciani
fb82398b2a Remove dead InternalBufWriter implementation 
In 8d90d3f368 `BufStream`, the only
consumer of `InternalBufWriter`, was removed. As implied by the name,
this type is private, hence it is currently dead code.
 2016-01-12 18:10:43 +01:00
Florian Hahn
e27cbeff37 Fix warnings when compiling stdlib with --test 2015-12-29 16:07:01 +01:00
Florian Hahn
de3e843d24 Use memchr in libstd where possible, closes #30076 2015-12-18 13:32:14 +01:00
Vadim Petrochenkov
7e2ffc7090 Add missing annotations and some tests 2015-11-18 01:24:21 +03:00
Cristi Cobzarenco
4b308b44e1 typos: fix a grabbag of typos all over the place 2015-10-08 19:49:31 +01:00
Alex Crichton
8d90d3f368 Remove all unstable deprecated functionality 
This commit removes all unstable and deprecated functions in the standard
library. A release was recently cut (1.3) which makes this a good time for some
spring cleaning of the deprecated functions.
 2015-08-12 14:55:17 -07:00
Steve Klabnik
1406c196fd Rollup merge of #27341 - steveklabnik:remove_warning, r=alexcrichton 
This isn't a standard header, and the other docs don't use it, so let's remove it.
 2015-07-29 10:30:35 -04:00