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-rw-r--r--rust.html.markdown18
1 files changed, 9 insertions, 9 deletions
diff --git a/rust.html.markdown b/rust.html.markdown
index 4fbd6144..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
@@ -287,9 +287,9 @@ fn main() {
// 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
}
```