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Diffstat (limited to 'rust.html.markdown')
| -rw-r--r-- | rust.html.markdown | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/rust.html.markdown b/rust.html.markdown index dd03acdd..d0c56b4a 100644 --- a/rust.html.markdown +++ b/rust.html.markdown @@ -6,20 +6,20 @@ filename: learnrust.rs --- Rust is a programming language developed by Mozilla Research. -Rust combines low-level control over performance with high-level convenience and -safety guarantees. +Rust combines low-level control over performance with high-level convenience and +safety guarantees. -It achieves these goals without requiring a garbage collector or runtime, making +It achieves these goals without requiring a garbage collector or runtime, making it possible to use Rust libraries as a "drop-in replacement" for C. -Rust’s first release, 0.1, occurred in January 2012, and for 3 years development +Rust’s first release, 0.1, occurred in January 2012, and for 3 years development moved so quickly that until recently the use of stable releases was discouraged -and instead the general advise was to use nightly builds. +and instead the general advice was to use nightly builds. -On May 15th 2015, Rust 1.0 was released with a complete guarantee of backward +On May 15th 2015, Rust 1.0 was released with a complete guarantee of backward compatibility. Improvements to compile times and other aspects of the compiler are currently available in the nightly builds. Rust has adopted a train-based release -model with regular releases every six weeks. Rust 1.1 beta was made available at +model with regular releases every six weeks. Rust 1.1 beta was made available at the same time of the release of Rust 1.0. Although Rust is a relatively low-level language, Rust has some functional @@ -281,15 +281,15 @@ fn main() { println!("{}", var); // Unlike `box`, `var` can still be used println!("{}", *ref_var); // var = 5; // this would not compile because `var` is borrowed - // *ref_var = 6; // this would too, because `ref_var` is an immutable reference + // *ref_var = 6; // this would not too, because `ref_var` is an immutable reference // Mutable reference // While a value is mutably borrowed, it cannot be accessed at all. let mut var2 = 4; let ref_var2: &mut i32 = &mut var2; - *ref_var2 += 2; + *ref_var2 += 2; // '*' is used to point to the mutably borrowed var2 - println!("{}", *ref_var2); // 6 + println!("{}", *ref_var2); // 6 , //var2 would not compile. //ref_var2 is of type &mut i32, so //stores a reference to an i32 not the value. // var2 = 2; // this would not compile because `var2` is borrowed } ``` |