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path: root/src/libstd/io/mod.rs
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2017-05-10Fix up stability annotations per feedback.Zack Weinberg-3/+3
2017-05-10Revise the eprint(ln)! feature.Zack Weinberg-1/+1
* Factor out the nigh-identical bodies of `_print` and `_eprint` to a helper function `print_to` (I was sorely tempted to call it `_doprnt`). * Update the issue number for the unstable `eprint` feature. * Add entries to the "unstable book" for `eprint` and `eprint_internal`. * Style corrections to the documentation.
2017-05-10Add `eprint!` and `eprintln!` macros to the prelude.Zack Weinberg-0/+2
These are exactly the same as `print!` and `println!` except that they write to stderr instead of stdout. Issue #39228.
2017-04-25Rollup merge of #41463 - SergioBenitez:master, r=alexcrichtonCorey Farwell-0/+139
Add internal accessor methods to io::{Chain, Take}. Resolves #29067.
2017-04-24Add cautions to io::get_mut method documentation.Sergio Benitez-0/+8
2017-04-24Reference tracking issue for more_io_inner_methods.Sergio Benitez-5/+5
2017-04-24Add internal accessor methods to io::{Chain, Take}.Sergio Benitez-0/+131
Resolves #29067.
2017-04-21Specify behavior of `write_all` for `ErrorKind::Interrupted` errorsTobias Bucher-6/+16
Also spell out that read and write operations should be retried on `ErrorKind::Interrupted` errors. Fixes #38494.
2017-04-06Fix Markdown issues in the docsOliver Middleton-4/+5
* 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.
2017-03-31Rollup merge of #40763 - pirate:patch-2, r=steveklabnikCorey Farwell-0/+12
Add helpful hint in io docs about how ? is not allowed in main() This is my effort to help alleviate the confusion caused by the error message: ```rust error[E0277]: the trait bound `(): std::ops::Carrier` is not satisfied --> hello_world.rs:72:5 | 72 | io::stdin().read_line(&mut d_input)?; | ------------------------------------ | | | the trait `std::ops::Carrier` is not implemented for `()` | in this macro invocation | = note: required by `std::ops::Carrier::from_error` error: aborting due to previous error ``` This has been discussed at length in https://github.com/rust-lang/rust/issues/35946, but I figured it would be helpful to mention in the docs. Reading user input is one of the first things beginners will look up in the docs, so my thinking was they'd see this warning here and not have to deal with the [tricky error message](https://blog.rust-lang.org/2017/03/02/lang-ergonomics.html). If you think this isn't the right place to put this in the docs, that's understandable, I'm open to suggestions for putting it elsewhere or removing it entirely.
2017-03-28add missing importNick Sweeting-0/+2
2017-03-27Fix tidy errors and simplify exampleNick Sweeting-8/+6
2017-03-23Rewrite `io::BufRead` doc examples to better demonstrate behaviors.Corey Farwell-53/+84
Prior to this commit, most of the `BufRead` examples used `StdinLock` to demonstrate how certain `BufRead` methods worked. Using `StdinLock` is not ideal since: * Relying on run-time data means we can't show concrete examples of how these methods work up-front. The user is required to run them in order to see how they behave. * If the user tries to run an example in the playpen, it won't work because the playpen doesn't support user input to stdin.
2017-03-23newline for breathing roomNick Sweeting-0/+1
2017-03-23requested changesNick Sweeting-1/+2
2017-03-23Add helpful hint on io function for beginnersNick Sweeting-0/+10
2017-03-13Remove function invokation parens from documentation links.Corey Farwell-46/+46
This was never established as a convention we should follow in the 'More API Documentation Conventions' RFC: https://github.com/rust-lang/rfcs/blob/master/text/1574-more-api-documentation-conventions.md
2017-03-01Only keep one copy of the UTF8_CHAR_WIDTH table.Simon Sapin-1/+1
… instead of one of each of libcore and libstd_unicode. Move the `utf8_char_width` function to `core::str` under the `str_internals` unstable feature.
2017-01-29Fix a few impl stability attributesOliver Middleton-1/+1
The versions show up in rustdoc.
2017-01-22libstd: mention `?` operator instead of removing `try!` macro referenceUtkarsh Kukreti-1/+3
2017-01-22libstd: update std::io module documentation to not mention `try!`Utkarsh Kukreti-3/+1
We're not using it in the examples anymore.
2017-01-22libstd: replace all `try!` with `?` in documentation examplesUtkarsh Kukreti-58/+58
See #38644.
2016-12-24Rollup merge of #38505 - estebank:why-lines, r=frewsxcvSteve Klabnik-0/+6
Docs: Explain why/when `.lines()` returns an error Fix #37744.
2016-12-20Docs: Explain why/when `.lines()` returns an errorEsteban Küber-0/+6
2016-12-18Implement `fmt::Debug` for all structures in libstd.Corey Farwell-0/+15
Part of https://github.com/rust-lang/rust/issues/31869. Also turn on the `missing_debug_implementations` lint at the crate level.
2016-12-15Stabilize std::io::Take::into_innerAaron Turon-3/+1
2016-11-30Rename 'librustc_unicode' crate to 'libstd_unicode'.Corey Farwell-1/+1
Fixes #26554.
2016-11-05add missing urls on io structsGuillaume Gomez-10/+17
2016-11-01std: Move a plattform-specific constant to sys::stdioBrian Anderson-1/+1
2016-10-18Typos in some linkageGuillaume Gomez-41/+52
2016-10-11Add missing urls in io moduleGuillaume Gomez-32/+37
2016-10-02Update unstable attr to reference tracking issue.Corey Farwell-1/+1
2016-09-30Auto merge of #36339 - brson:emscripten-new, r=alexcrichtonbors-0/+2
Working asmjs and wasm targets This patch set results in a working standard library for the asmjs-unknown-emscripten and wasm32-unknown-emscripten targets. It is based on the work of @badboy and @rschulman. It does a few things: - Updates LLVM with the emscripten [fastcomp](https://github.com/rust-lang/llvm/pull/50) patches, which include the pnacl IR legalizer and the asm.js backend. This patch is thought not to have any significant effect on existing targets. - Teaches rustbuild to correctly link C code with emscripten - Updates gcc-rs to work correctly with emscripten - Teaches rustbuild to run crate tests for emscripten with node - Modifies Thread::new to return an error on emscripten, to facilitate debugging a common failure mode - Modifies libtest to run in single-threaded mode for emscripten - Ignores a host of tests that don't work yet, mostly dealing with threads and I/O - Updates libc with wasm32 definitions (presently the same as asmjs) - Adds a wasm32-unknown-emscripten target that feeds the output of LLVM's asmjs backend through emcc to generate wasm Notes and caveats: - This is only known to work with `--enable-rustbuild`. - The wasm32 target can't be tested correctly yet because of issues in compiletest and limitations in node https://github.com/kripken/emscripten/issues/4542, but hello.rs does seem to work when run on node via the binaryen interpreter - This requires an up to date installation of the emscripten sdk from its incoming branch - Unwinding is very broken - When enabling the emscripten targets jemalloc is disabled for all targets, which results in test failures for the host Next steps are to fix the jemalloc issue, start building the two emscripten targets on the auto builders, then start producing nightlies. https://github.com/rust-lang/rust/issues/36317 tracks work on this. Fixes https://github.com/rust-lang/rust/issues/36515 Fixes https://github.com/rust-lang/rust/issues/36515 Fixes https://github.com/rust-lang/rust/issues/36356
2016-09-30Ignore lots and lots of std tests on emscriptenBrian Anderson-0/+2
2016-09-30Fix BufRead::{read_until, read_line} documentation.Tomasz Miąsko-7/+3
2016-09-27[std::io::Chain] Mark first as done only when reading into non-zero length ↵Tomasz Miąsko-1/+12
buffer. Fixes #36771.
2016-08-26Introduce `into_inner` method on `std::io::Take`.Corey Farwell-0/+27
https://github.com/rust-lang/rust/issues/23755
2016-08-24Use `#[prelude_import]` in `libstd`.Jeffrey Seyfried-8/+0
2016-08-18Fix linksNick Cameron-3/+3
2016-07-30Add urls in std::io typesGuillaume Gomez-1/+7
2016-07-30Add io::Take doc exampleGuillaume Gomez-0/+18
2016-05-30Retry on EINTR in Bytes and Chars.Aaron Gallagher-11/+18
Since Bytes and Chars called directly into Read::read, they didn't use any of the retrying wrappers. This allows both iterator types to retry.
2016-05-06doc: binding not neededTshepang Lekhonkhobe-2/+1
2016-05-06doc: mut not neededTshepang Lekhonkhobe-1/+1
2016-05-02libstd: correct the link to functions in io module documentationRyman-2/+2
Currently the link refers to it's own section of the documentation rather than the list of functions generated by rustdoc.
2016-04-14Rollup merge of #32855 - troplin:take-bufread-fix, r=alexcrichtonSteve Klabnik-0/+12
Don't read past limit for in BufRead instance of Take Similar to `Read::read`, `BufRead::fill_buf` impl of `Take` should not call `inner.fill_buf` if the limit is already reached.
2016-04-11std: Stabilize APIs for the 1.9 releaseAlex Crichton-1/+1
This commit applies all stabilizations, renamings, and deprecations that the library team has decided on for the upcoming 1.9 release. All tracking issues have gone through a cycle-long "final comment period" and the specific APIs stabilized/deprecated are: Stable * `std::panic` * `std::panic::catch_unwind` (renamed from `recover`) * `std::panic::resume_unwind` (renamed from `propagate`) * `std::panic::AssertUnwindSafe` (renamed from `AssertRecoverSafe`) * `std::panic::UnwindSafe` (renamed from `RecoverSafe`) * `str::is_char_boundary` * `<*const T>::as_ref` * `<*mut T>::as_ref` * `<*mut T>::as_mut` * `AsciiExt::make_ascii_uppercase` * `AsciiExt::make_ascii_lowercase` * `char::decode_utf16` * `char::DecodeUtf16` * `char::DecodeUtf16Error` * `char::DecodeUtf16Error::unpaired_surrogate` * `BTreeSet::take` * `BTreeSet::replace` * `BTreeSet::get` * `HashSet::take` * `HashSet::replace` * `HashSet::get` * `OsString::with_capacity` * `OsString::clear` * `OsString::capacity` * `OsString::reserve` * `OsString::reserve_exact` * `OsStr::is_empty` * `OsStr::len` * `std::os::unix::thread` * `RawPthread` * `JoinHandleExt` * `JoinHandleExt::as_pthread_t` * `JoinHandleExt::into_pthread_t` * `HashSet::hasher` * `HashMap::hasher` * `CommandExt::exec` * `File::try_clone` * `SocketAddr::set_ip` * `SocketAddr::set_port` * `SocketAddrV4::set_ip` * `SocketAddrV4::set_port` * `SocketAddrV6::set_ip` * `SocketAddrV6::set_port` * `SocketAddrV6::set_flowinfo` * `SocketAddrV6::set_scope_id` * `<[T]>::copy_from_slice` * `ptr::read_volatile` * `ptr::write_volatile` * The `#[deprecated]` attribute * `OpenOptions::create_new` Deprecated * `std::raw::Slice` - use raw parts of `slice` module instead * `std::raw::Repr` - use raw parts of `slice` module instead * `str::char_range_at` - use slicing plus `chars()` plus `len_utf8` * `str::char_range_at_reverse` - use slicing plus `chars().rev()` plus `len_utf8` * `str::char_at` - use slicing plus `chars()` * `str::char_at_reverse` - use slicing plus `chars().rev()` * `str::slice_shift_char` - use `chars()` plus `Chars::as_str` * `CommandExt::session_leader` - use `before_exec` instead. Closes #27719 cc #27751 (deprecating the `Slice` bits) Closes #27754 Closes #27780 Closes #27809 Closes #27811 Closes #27830 Closes #28050 Closes #29453 Closes #29791 Closes #29935 Closes #30014 Closes #30752 Closes #31262 cc #31398 (still need to deal with `before_exec`) Closes #31405 Closes #31572 Closes #31755 Closes #31756
2016-04-09Don't read past limit for in BufRead instance of TakeTobias Müller-0/+12
2016-04-02Drop the default buffer size to 8KSteven Fackler-1/+1
The 64k capacity was picked by me a couple of years ago in the initial implementation of buffered IO adaptors: https://github.com/rust-lang/rust/pull/9091/files#diff-b131eeef531ad098b32f49695a031008R62. 64K was picked for symmetry with libuv, which we no longer use. 64K is *way* larger than the default size of any other language that I can find. C, C++, and Java default to 8K, and Go defaults to 4K. There have been a variety of issues filed relating to this such as #31885. Closes #31885
2016-03-29Auto merge of #32541 - troplin:chain-bufread, r=alexcrichtonbors-0/+54
Implement BufRead for Chain Addresses #32536
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