Complete code for the larger example programs from the book.

Last update: Jan 1, 2023

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Overview

Code Examples for Programming Rust

This repository contains complete code for the larger example programs from the book “Programming Rust”, by Jim Blandy, Jason Orendorff, and Leonora Tindall.

Each subdirectory is a distinct Rust project, with its own Cargo.toml file. You should be able to enter each directory and use cargo build and cargo test. For those projects that define programs, cargo run should run them.

The example code in this directory and its subdirectories is licensed under the terms of the MIT license. See LICENSE-MIT for details.

Chapter 2: A Tour of Rust

The gcd directory holds the command-line program for computing the greatest common denominator of a list of numbers.
The actix-gcd directory holds the code for the simple web service, implemented using the actix-web framework, that computes greatest common denominators.
The Mandelbrot plotting program has its own repository, at https://github.com/ProgrammingRust/mandelbrot. This repository contains several branches, each showing a different implementation strategy. The single-threaded branch holds the code for the single-threaded version, and the bands branch holds the multi-threaded version. Chapter 19, “Concurrency”, shows several other approaches, which appear on other branches; see the repository's README.md file for details.

Chapter 8: Crates and Modules

We did not actually write a fern simulator. Please accept our sincere apology for this feckless deception. But the skeleton of modules and definitions we show in the book is in the fern_sim subdirectory.

Chapter 9: Structs

The queue directory holds a library that defines the Queue type, representing a queue of char values.
The generic-queue directory holds code for generic Queue type.

Chapter 10: Enums and Patterns

The binary-tree directory holds the source code for the BinaryTree type that appears in the “Generic Enums” and “Populating a Binary Tree” sections.

Chapter 12: Operator Overloading

The complex directory holds the Complex type used as a running example throughout the chapter.
The interval directory holds the Interval type for which the book implements the std::cmp::PartialOrd trait.

Chapter 14: Closures

The 'basic-router' directory holds the BasicRouter type used as an example in the “Callbacks” section.

Chapter 15: Iterators

The binary-tree directory holds the implementation of the Iterator trait for the BinaryTree type originally defined in the “Enums and Patterns” chapter.

Chapter 17: Strings and Text

The complex directory includes the implementation of the std::fmt::Display formatting trait for a complex number type, shown in the section “Formatting Your Own Types”.

Chapter 18: Input and Output

The grep directory holds the simple grep-like program shown in the section “Reading Lines”.
The copy directory holds the program for copying directory trees from the section “Reading Directories”, including the additions shown in the next section, “Platform-Specific Features”.
The echo-server directory holds the simple network service shown in the “Networking” section.
The http-get directory holds the command-line program that uses the reqwest crate to carry out an HTTP request.

Chapter 19: Concurrency

The search engine used as a running example throughout the book has its own repository, at https://github.com/ProgrammingRust/fingertips.
The Mandelbrot set plotter discussed in the section “Revisiting the Mandelbrot Set” also has its own repository, at https://github.com/ProgrammingRust/mandelbrot. The repository includes several branches exploring different implementations; see the repository's README.md file for details.

Chapter 20: Asynchronous Programming

The cheapo-request directory uses async-std's asynchronous networking functions and the block_on executor function to make a bare-bones HTTP request.
The many-requests directory makes several requests concurrently on a single thread, using async-std's spawn_local.
The many-requests-surf directory does the same using surf, an open-source asynchronous HTTP client library available from crates.io that does a much better job with HTTP than our chapter's cheapo_request function.
The spawn-blocking directory includes the definition of spawn_blocking presented in the section "Primitive Futures and Executors: When Is A Future Worth Polling Again?". The crate also includes some tests to exercise the function.
The block-on directory includes the implementation of a simple block_on executor, which demonstrates polling and waiting for wakers to be invoked.
The chat client and server used as an extended example are in their own repository, at https://github.com/ProgrammingRust/async-chat.

Chapter 21: Macros

The json-macro directory holds the definition of the json! macro built in the section “The json! Macro”.

Chapter 22: Unsafe Code

The ascii directory holds the Ascii type used as an example in the sections “Unsafe Blocks” and “Unsafe Functions”.
The ref-with-flag directory holds the RefWithFlag type from the “Raw Pointers” section.
The gap-buffer directory holds the GapBuffer type, used in the “Raw Pointers” section to illustrate pointer arithmetic and std::ptr::read and std::ptr::write.

Chapter 22: Foreign Functions

The libgit2-rs and libgit2-rs-safe directories contain the two versions of the program that uses Rust's foreign function interface to call functions from the libgit2 C library. The version in libgit2-rs is written as a single giant block of unsafe code, whereas the version in libgit2-rs-safe implements a safe Rust interface to the same functionality, using Rust's type system to enforce libgit2's rules for proper use of the library.

Note that both of these require you to have a copy of libgit2 present on your system. The chapter provides detailed instructions for building the correct version, for Linux, macOS, and Microsoft Windows.

Comments

Doesn't work with rustc 1.40

Hello, for iron-gcd, the crate urlencoded has the version 0.5.0 which is not compatible with rustc 1.40. But iron-gcd can be compiled with the urlencoded crate in the version v0.6.0.

opened by corebreaker 3

iron-gdc error

Hello, I'm having a compiler problem, running on windows 10 with C++ build tools 2017. Book's Pages: 18-19.

Terminal Output:

$ cargo run Compiling iron-gdc v0.1.0 (file:///C:/Users/Simone%20Romano/Desktop/git/rust/iron-gdc) error: cannot find macro mime! in this scope --> src\main.rs:21:22 | 21 | response.set_mut(mime!(Text/Html; Charset=Utf8)); | ^^^^

error: aborting due to previous error

error: Could not compile iron-gdc.

To learn more, run the command again with --verbose.

Code:

extern crate iron;
#[macro_use] extern crate mime;

use iron::prelude::*;
use iron::status;

fn main() 
{
    let port = 3000;
    let hostname = "localhost:" + port.to_string();
    println!("Serving on http://{}...", hostname);

    Iron::new(get_form).http(hostname).unwrap;
}

fn get_form(_request: &mut Request) -> IronResult<Response>
{
    let mut response = Response::new();

    response.set_mut(status::Ok);
    response.set_mut(mime!(Text/Html; Charset=Utf8));
    response.set_mut(r#"
        <title> GDC Calculator </title>
        <form action="/gdc" method="post">
            <input type="text" name="n">
            <input type="text" name="n">
            <button type="submit"> Compute GDC </button>
        </form>
    "#);

    Ok(response)
}

opened by simoneromano96 3

build(deps): bump regex from 1.5.4 to 1.5.6 in /actix-gcd
Bumps regex from 1.5.4 to 1.5.6.

Changelog

Sourced from regex's changelog.

1.5.6 (2022-05-20)

This release includes a few bug fixes, including a bug that produced incorrect matches when a non-greedy ? operator was used.

[BUG #680](rust-lang/regex#680): Fixes a bug where [[:alnum:][:^ascii:]] dropped [:alnum:] from the class.

[BUG #859](rust-lang/regex#859): Fixes a bug where Hir::is_match_empty returned false for \b.

[BUG #862](rust-lang/regex#862): Fixes a bug where 'ab??' matches 'ab' instead of 'a' in 'ab'.

1.5.5 (2022-03-08)

This releases fixes a security bug in the regex compiler. This bug permits a vector for a denial-of-service attack in cases where the regex being compiled is untrusted. There are no known problems where the regex is itself trusted, including in cases of untrusted haystacks.

SECURITY #GHSA-m5pq-gvj9-9vr8: Fixes a bug in the regex compiler where empty sub-expressions subverted the existing mitigations in place to enforce a size limit on compiled regexes. The Rust Security Response WG published an advisory about this: https://groups.google.com/g/rustlang-security-announcements/c/NcNNL1Jq7Yw

Commits

9aef5b1 1.5.6

2931b07 syntax: bump minimum regex-syntax version to 0.6.26

b41bde0 regex-syntax-0.6.26

d98da65 changelog: 1.5.6

1c19619 syntax: fix literal extraction for 'ab??'

88a2a62 syntax: fix 'is_match_empty' predicate

72f09f1 syntax: fix ascii class union bug

b537286 doc: fix some typos

258bdf7 changelog: 1.5.5

d130381 1.5.5

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dependencies
opened by dependabot[bot] 1
build(deps): bump crossbeam-utils from 0.8.5 to 0.8.8 in /cheapo-request
Bumps crossbeam-utils from 0.8.5 to 0.8.8.

Release notes

Sourced from crossbeam-utils's releases.

crossbeam-utils 0.8.8

Fix a bug when unstable loom support is enabled. (#787)

crossbeam-utils 0.8.7

Add AtomicCell<{i*,u*}>::{fetch_max,fetch_min}. (#785)

Add AtomicCell<{i*,u*,bool}>::fetch_nand. (#785)

Fix unsoundness of AtomicCell<{i,u}64> arithmetics on 32-bit targets that support Atomic{I,U}64 (#781)

crossbeam-utils 0.8.6

Re-add AtomicCell<{i,u}64>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in ~~0.8.0~~ 0.7.1 on targets that do not support Atomic{I,U}64. (#767)

Re-add AtomicCell<{i,u}128>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in ~~0.8.0~~ 0.7.1. (#767)

Commits

5b4d808 Merge #800

6fa7246 Prepare for the next release

8efcd02 Merge #798

baedeb0 channel: Do not panic on very large timeout

113daf4 Merge #799

5cb7cac Update no_atomic.rs

0081fcc Merge #789 #797

7b2d65f Update to stabilized const_fn_trait_bound

bd75c3c Add force_push to ArrayQueue

b11f1a8 Merge #793

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dependencies
opened by dependabot[bot] 1
build(deps): bump crossbeam-utils from 0.8.5 to 0.8.8 in /many-requests
Bumps crossbeam-utils from 0.8.5 to 0.8.8.

Release notes

Sourced from crossbeam-utils's releases.

crossbeam-utils 0.8.8

Fix a bug when unstable loom support is enabled. (#787)

crossbeam-utils 0.8.7

Add AtomicCell<{i*,u*}>::{fetch_max,fetch_min}. (#785)

Add AtomicCell<{i*,u*,bool}>::fetch_nand. (#785)

Fix unsoundness of AtomicCell<{i,u}64> arithmetics on 32-bit targets that support Atomic{I,U}64 (#781)

crossbeam-utils 0.8.6

Re-add AtomicCell<{i,u}64>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in ~~0.8.0~~ 0.7.1 on targets that do not support Atomic{I,U}64. (#767)

Re-add AtomicCell<{i,u}128>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in ~~0.8.0~~ 0.7.1. (#767)

Commits

5b4d808 Merge #800

6fa7246 Prepare for the next release

8efcd02 Merge #798

baedeb0 channel: Do not panic on very large timeout

113daf4 Merge #799

5cb7cac Update no_atomic.rs

0081fcc Merge #789 #797

7b2d65f Update to stabilized const_fn_trait_bound

bd75c3c Add force_push to ArrayQueue

b11f1a8 Merge #793

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dependencies
opened by dependabot[bot] 1
Typo in page 317
I found a small typo in this code, page 317 :

impl<K,V> Hashmap<K,V> where K: Eq + Hash { fn get<Q: ?Sized>(&self,key: &Q) -> Option<&V> Where K:Borrow<Q>, Q: Eq+Hash {...} }

The problem is in Where K: Borrow<Q> it should be Where key: Borrow<Q> Instead of K it should be key.
opened by koptan 1
[Question] Why shutdown is required in cheapo-request example

Hi, firstly very thanks for your awesome examples :-D

I have a little question about this example: https://github.com/ProgrammingRust/examples/blob/master/cheapo-request/src/main.rs#L11

Can you please tell me why this shutdown is required? I have uncomment this line, but it seems that I can never get response from server.

opened by WindSoilder 1

ch21: libgit2-safe; replace deprecated const ONCE_INIT

@jimblandy use of std::sync::Once::new, due to warning

warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
  --> src/git/mod.rs:78:36
   |
78 |     static ONCE: std::sync::Once = std::sync::ONCE_INIT;
   |                                    ^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`

opened by Horki 1

doc: README.md: "Foreign Functions" is chapter 23 (rather than 22)

The heading: "Chapter 22: Foreign Functions" should be: "Chapter 23: Foreign Functions"

In the first edition of the book, there is no "Foreign Functions" chapter.

In the second edition of the book, "Foreign Functions" is chapter 23.

opened by salewski 0
build(deps): bump crossbeam-utils from 0.8.5 to 0.8.9 in /cheapo-request
Bumps crossbeam-utils from 0.8.5 to 0.8.9.

Release notes

Sourced from crossbeam-utils's releases.

crossbeam-utils 0.8.9

Replace lazy_static with once_cell. (#817)

crossbeam-utils 0.8.8

Fix a bug when unstable loom support is enabled. (#787)

crossbeam-utils 0.8.7

Add AtomicCell<{i*,u*}>::{fetch_max,fetch_min}. (#785)

Add AtomicCell<{i*,u*,bool}>::fetch_nand. (#785)

Fix unsoundness of AtomicCell<{i,u}64> arithmetics on 32-bit targets that support Atomic{I,U}64 (#781)

crossbeam-utils 0.8.6

Re-add AtomicCell<{i,u}64>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in ~~0.8.0~~ 0.7.1 on targets that do not support Atomic{I,U}64. (#767)

Re-add AtomicCell<{i,u}128>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in ~~0.8.0~~ 0.7.1. (#767)

Commits

1676989 Merge #850

6b3d155 Prepare for the next release

09e972f Pin nightly toolchain for Miri

657eef1 Merge #845

0362480 Update no_atomic.rs

bf17086 Merge #843

48063d3 Fix miri tests

78b7ac3 Merge #835

89cf973 channel: Replace Spinlock with Mutex

80224bc Merge #831 #832

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dependencies
opened by dependabot[bot] 0
build(deps): bump crossbeam-utils from 0.8.5 to 0.8.9 in /many-requests
Bumps crossbeam-utils from 0.8.5 to 0.8.9.

Release notes

Sourced from crossbeam-utils's releases.

crossbeam-utils 0.8.9

Replace lazy_static with once_cell. (#817)

crossbeam-utils 0.8.8

Fix a bug when unstable loom support is enabled. (#787)

crossbeam-utils 0.8.7

Add AtomicCell<{i*,u*}>::{fetch_max,fetch_min}. (#785)

Add AtomicCell<{i*,u*,bool}>::fetch_nand. (#785)

Fix unsoundness of AtomicCell<{i,u}64> arithmetics on 32-bit targets that support Atomic{I,U}64 (#781)

crossbeam-utils 0.8.6

Re-add AtomicCell<{i,u}64>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in ~~0.8.0~~ 0.7.1 on targets that do not support Atomic{I,U}64. (#767)

Re-add AtomicCell<{i,u}128>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in ~~0.8.0~~ 0.7.1. (#767)

Commits

1676989 Merge #850

6b3d155 Prepare for the next release

09e972f Pin nightly toolchain for Miri

657eef1 Merge #845

0362480 Update no_atomic.rs

bf17086 Merge #843

48063d3 Fix miri tests

78b7ac3 Merge #835

89cf973 channel: Replace Spinlock with Mutex

80224bc Merge #831 #832

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dependencies
opened by dependabot[bot] 0
build(deps): bump hyper from 0.14.9 to 0.14.19 in /http-get
Bumps hyper from 0.14.9 to 0.14.19.

Release notes

Sourced from hyper's releases.

v0.14.19

Bug Fixes

http1: fix preserving header case without enabling ffi (#2820) (6a35c175)

server: don't add implicit content-length to HEAD responses (#2836) (67b73138)

Features

server:

add Connection::http2_max_header_list_size option (#2828) (a32658c1, closes #2826)

add AddrStream::local_addr() (#2816) (ffbf610b, closes #2773)

Breaking Changes

ffi (unstable):

hyper_clientconn_options_new no longer sets the http1_preserve_header_case connection option by default. Users should now call hyper_clientconn_options_set_preserve_header_case if they desire that functionality. (78de8914)

New Contributors ❤️

@SabrinaJewson made their first contribution in hyperium/hyper#2775

@Some-Dood made their first contribution in hyperium/hyper#2812

@liamwarfield made their first contribution in hyperium/hyper#2798

@cuishuang made their first contribution in hyperium/hyper#2818

@jannes made their first contribution in hyperium/hyper#2836

@silence-coding made their first contribution in hyperium/hyper#2828

@nylonicious made their first contribution in hyperium/hyper#2762

@ryanrussell made their first contribution in hyperium/hyper#2875

v0.14.18

Bug Fixes

ffi: don't build C libraries by default (1c663706)

Features

client: add HttpInfo::local_addr() method (055b4e7e, closes #2767)

New Contributors

@ilyatrefilov made their first contribution in hyperium/hyper#2760

@stephank made their first contribution in hyperium/hyper#2765

@kubuzetto made their first contribution in hyperium/hyper#2768

@lqd made their first contribution in hyperium/hyper#2770

v0.14.17

Bug Fixes

... (truncated)

Changelog

Sourced from hyper's changelog.

v0.14.19 (2022-05-27)

Bug Fixes

http1: fix preserving header case without enabling ffi (#2820) (6a35c175)

server: don't add implicit content-length to HEAD responses (#2836) (67b73138)

Features

server:

add Connection::http2_max_header_list_size option (#2828) (a32658c1, closes #2826)

add AddrStream::local_addr() (#2816) (ffbf610b, closes #2773)

Breaking Changes

ffi (unstable):

hyper_clientconn_options_new no longer sets the http1_preserve_header_case connection option by default. Users should now call hyper_clientconn_options_set_preserve_header_case if they desire that functionality. (78de8914)

v0.14.18 (2022-03-22)

Bug Fixes

ffi: don't build C libraries by default (1c663706)

Features

client: add HttpInfo::local_addr() method (055b4e7e, closes #2767)

v0.14.17 (2022-02-10)

Bug Fixes

client: avoid panics in uses of Instant (#2746) (dcdd6d10)

Features

client: implement the HTTP/2 extended CONNECT protocol from RFC 8441 (#2682) (5ec094ca)

error: add Error::message (#2737) (6932896a, closes #2732)

http1: implement obsolete line folding (#2734) (1f0c177b)

... (truncated)

Commits

f8e2a83 v0.14.19

a929df8 docs(various): fix typos in VISION and ROADMAP (#2875)

3a755a6 chore(lib): update tokio-util to 0.7 (#2762)

4678be9 docs(contrib): add guide for Triaging Issues

775fac1 docs(lib): propose 1.0 roadmap (#2806)

a32658c feat(server): add Connection::http2_max_header_list_size option (#2828)

67b7313 fix(server): don't add implicit content-length to HEAD responses (#2836)

faf24c6 refactor(http1): assorted code readability improvements in h1/conn.rs (#2817)

6a35c17 fix(http1): fix preserving header case without enabling ffi (#2820)

89598df docs(lib): fix some typos (#2818)

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dependencies
opened by dependabot[bot] 0
build(deps): bump tokio from 1.6.1 to 1.16.1 in /http-get
Bumps tokio from 1.6.1 to 1.16.1.

Release notes

Sourced from tokio's releases.

Tokio v1.16.1

1.16.1 (January 28, 2022)

This release fixes a bug in #4428 with the change #4437.

#4428: tokio-rs/tokio#4428 #4437: tokio-rs/tokio#4437

Tokio v1.16.0

Fixes a soundness bug in io::Take (#4428). The unsoundness is exposed when leaking memory in the given AsyncRead implementation and then overwriting the supplied buffer:

impl AsyncRead for Buggy { fn poll_read( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut ReadBuf<'_> ) -> Poll<Result<()>> { let new_buf = vec![0; 5].leak(); *buf = ReadBuf::new(new_buf); buf.put_slice(b"hello"); Poll::Ready(Ok(())) } }

Also, this release includes improvements to the multi-threaded scheduler that can increase throughput by up to 20% in some cases (#4383).

Fixed

io: soundness don't expose uninitialized memory when using io::Take in edge case (#4428)

fs: ensure File::write results in a write syscall when the runtime shuts down (#4316)

process: drop pipe after child exits in wait_with_output (#4315)

rt: improve error message when spawning a thread fails (#4398)

rt: reduce false-positive thread wakups in the multi-threaded scheduler (#4383)

sync: don't inherit Send from parking_lot::*Guard (#4359)

Added

net: TcpSocket::linger() and set_linger() (#4324)

net: impl UnwindSafe for socket types (#4384)

rt: impl UnwindSafe for JoinHandle (#4418)

sync: watch::Receiver::has_changed() (#4342)

sync: oneshot::Receiver::blocking_recv() (#4334)

sync: RwLock blocking operations (#4425)

Unstable

... (truncated)

Commits

91b9850 chore: prepare Tokio v1.16.1 release (#4438)

3c46705 io: fix take pointer check (#4437)

afd2189 chore: prepare Tokio v1.16 release (#4431)

986b88b chore: update year in LICENSE files (#4429)

257053e util: add spawn_pinned (#3370)

5af9e0d sync: add blocking lock methods to RwLock (#4425)

8f77ee8 net: add generic trait to combine UnixListener and TcpListener (#4385)

2747043 tests: enable running wasm32-unknown-unknown tests (#4421)

2a5071f feat: implement Framed::map_codec (#4427)

621790e io: fix take when using evil reader (#4428)

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dependencies
opened by dependabot[bot] 0