Merge branch 'master' of github.com:adambard/learnxinyminutes-docs

1 files changed, 9 insertions, 9 deletions

diff --git a/rust.html.markdown b/rust.html.markdown
index 3157fcf4..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 advice 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
 }
 ```