X-Git-Url: https://git.ralfj.de/rust-101.git/blobdiff_plain/01999d0e811a07d9089c1b2158a6602ce6890f2f..79b3d41f9ee58f167f757218da02f82cec8f811d:/src/main.rs?ds=inline diff --git a/src/main.rs b/src/main.rs index b08b1da..2a0aa76 100644 --- a/src/main.rs +++ b/src/main.rs @@ -2,7 +2,7 @@ // =================== // // This is [Rust-101](https://www.ralfj.de/projects/rust-101/), a small tutorial for -// the [Rust language](http://www.rust-lang.org/). It is intended to be an interactive, +// the [Rust language](https://www.rust-lang.org/). It is intended to be an interactive, // hands-on course: I believe the only way to *really* learn a language is to write code // in it, so you should be coding during the course. // @@ -23,36 +23,35 @@ // achieve C++-style control over memory and execution behavior (like, static vs. dynamic // dispatch), which makes it possible to construct abstractions that carry no run-time // cost. This is combined with the comfort of high-level functional languages and guaranteed -// safety (as in, the program will not crash). The vast majority of existing -// languages sacrifices one of these goals for the other. In particular, the -// first requirement rules out a garbage collector: Rust can run "bare metal". -// In fact, Rust rules out more classes of bugs than languages that achieve safety -// with a GC: Besides dangling pointers and double-free, Rust also prevents issues -// such as iterator invalidation and data races. +// safety (as in, the program will not crash in uncontrolled ways). The vast majority of existing +// languages sacrifices control for safety (for example, by enforcing the usage of +// a garbage collector) or vice versa. Rust can run without dynamic allocation (i.e., without +// a heap), and even without an operating system. In fact, Rust rules out more classes of bugs +// than languages that achieve safety with a garbage collector: Besides dangling pointers and +// double-free, Rust also prevents issues such as iterator invalidation and data races. Finally, +// it cleans up behind you, and deallocates resources (memory, but also file descriptors and really +// anything) when you don't need them anymore. // // // Getting started // --------------- // // You will need to have Rust installed, of course. It is available for download on -// [the Rust website](http://www.rust-lang.org/). Make sure you get at least version 1.2 -// (at the time of writing, that's the current beta release). More detailed installation -// instructions are provided in [the second chapter of The Book](https://doc.rust-lang.org/stable/book/installing-rust.html). +// [the Rust website](https://www.rust-lang.org/). Make sure you get at least version 1.3. +// More detailed installation instructions are provided in +// [The Book](https://doc.rust-lang.org/stable/book/). // This will also install `cargo`, the tool responsible for building rust projects (or *crates*). - -// Next, fetch the Rust-101 source code from the [git repository](http://www.ralfj.de/git/rust-101.git) -// (also available [on GitHub](https://github.com/RalfJung/rust-101), and as a -// [zip archive](https://github.com/RalfJung/rust-101/archive/master.zip) in case you don't have git installed). -// -// There is a workspace prepared for you in the `workspace` folder. I suggest you copy this -// folder somewhere else - that will make it much easier to later update the course without -// overwriting your changes. Try `cargo build` in that new folder to check that compiling your workspace succeeds. -// (You can also execute it with `cargo run`, but you'll need to do some work before this will succeed.) -// -// If you later want to update the course, do `git pull` (or re-download the zip archive). -// Then copy the files from `workspace/src/` to your workspace that you did not yet work on. Definitely -// copy `main.rs` to make sure all the new files are actually compiled. (Of course you can also -// copy the rest, but that would replace all your hard work by the original files with all the holes!) +// +// Next, we have to prepare a workspace for you to conduct your Rust-101 work in, so that you don't +// have to start with an empty file. The easiest way is to +// [download the workspace](https://www.ralfj.de/projects/rust-101/workspace.zip) +// matching the online tutorial. Try `cargo build` in that new folder to check that compiling your +// workspace succeeds. +// (You can also execute it with `cargo run`, but you'll need to do some work before this does +// anything useful.) +// +// Alternatively, you can build the workspace from source by fetching the +// [git repository](https://www.ralfj.de/git/rust-101.git) and running `make workspace`. // Course Content // -------------- @@ -69,7 +68,7 @@ // // ### Basic Rust // -// * [Part 04: Ownership, Borrowing](part04.html) +// * [Part 04: Ownership, Borrowing, References](part04.html) // * [Part 05: Clone](part05.html) // * [Part 06: Copy, Lifetimes](part06.html) // * [Part 07: Operator Overloading, Tests, Formating](part07.html) @@ -105,8 +104,8 @@ mod part14; mod part15; mod part16; -// To actually run the code of some part (after filling in the blanks, if necessary), simply edit the `main` -// function. +// To actually run the code of some part (after filling in the blanks, if necessary), simply edit +// the `main` function. fn main() { part00::main(); } @@ -122,5 +121,7 @@ fn main() { // * [The Rustonomicon](https://doc.rust-lang.org/nightly/nomicon/) // * [Rust by Example](http://rustbyexample.com/) // * The [Rust Subreddit](https://www.reddit.com/r/rust/) -// * A [collection of links](https://github.com/ctjhoa/rust-learning) to blog posts, articles, videos, etc. for learning Rust. -// * For the IRC channel and other forums, see the "Community" section of the [Rust Documentation index](http://doc.rust-lang.org/index.html) +// * A [collection of links](https://github.com/ctjhoa/rust-learning) to blog posts, articles, +// videos, etc. for learning Rust. +// * For the IRC channel and other forums, see the "Community" section of the +// [Rust Documentation index](https://doc.rust-lang.org/index.html)