Merge pull request #251 from dev-chee/master

Fix code sample 2-5.

src/ch02/binding.rs

@@ -59,7 +59,7 @@ pub fn ownership() {
     let other = place1;
     println!("{:?}", other);
     let other = place2;
-    println!("{:?}", other); // other value used here after move
+    println!("{:?}", place2); // place2 value used here after move
 }
 
 /// # 引用

src/ch02/function.rs

@@ -161,13 +161,13 @@ pub fn closure(){
 /// Basic usage:
 ///
 /// ```
-/// pub fn math<F: Fn() -> i32>(op: F) -> i32 {
+/// pub fn closure_math<F: Fn() -> i32>(op: F) -> i32 {
 ///     op()
 /// }
 /// let a = 2;
 /// let b = 3;
-/// assert_eq!(math(|| a + b), 5);
-/// assert_eq!(math(|| a * b), 6);
+/// assert_eq!(closure_math(|| a + b), 5);
+/// assert_eq!(closure_math(|| a * b), 6);
 /// ```
 pub fn closure_math<F: Fn() -> i32>(op: F) -> i32 {
     op()

src/ch02/primitives.rs

@@ -16,8 +16,8 @@
 pub fn bool_type() {
     let x = true;
     let y: bool = false;
-    let x = 5;
-    if x > 1 { println!( "x is bigger than 1")};
+    let i = 5;
+    if i > 1 { println!( "i is bigger than 1")};
     assert_eq!(x as i32, 1);
     assert_eq!(y as i32, 0);
 }