Rename variable in tutorial

Renamed `owned_box` to `on_the_heap` to use a consistent
naming across the tutorial and the life time guide.
Also it makes the example easier to grasp.
This commit is contained in:
Christoph Burgdorf 2014-05-31 23:33:03 +02:00
parent 60b4a97de7
commit b657af8946

View file

@ -1429,7 +1429,7 @@ contains a point, but allocated in a different location:
~~~
# struct Point { x: f64, y: f64 }
let on_the_stack : Point = Point { x: 3.0, y: 4.0 };
let owned_box : Box<Point> = box Point { x: 7.0, y: 9.0 };
let on_the_heap : Box<Point> = box Point { x: 7.0, y: 9.0 };
~~~
Suppose we want to write a procedure that computes the distance
@ -1454,9 +1454,9 @@ Now we can call `compute_distance()` in various ways:
~~~
# struct Point{ x: f64, y: f64 };
# let on_the_stack : Point = Point { x: 3.0, y: 4.0 };
# let owned_box : Box<Point> = box Point { x: 7.0, y: 9.0 };
# let on_the_heap : Box<Point> = box Point { x: 7.0, y: 9.0 };
# fn compute_distance(p1: &Point, p2: &Point) -> f64 { 0.0 }
compute_distance(&on_the_stack, owned_box);
compute_distance(&on_the_stack, on_the_heap);
~~~
Here the `&` operator is used to take the address of the variable