I am bad at math

2014-10-02 15:01:25 -04:00 · 2014-10-02 15:01:25 -04:00 · 16cca6dbad
commit 16cca6dbad
parent dc35a53d15
1 changed files with 1 additions and 1 deletions
--- a/src/doc/guide-lifetimes.md
+++ b/src/doc/guide-lifetimes.md
@ -307,7 +307,7 @@ copying.
 # }
 fn compute_area(shape: &Shape) -> f64 {
    match *shape {
-        Circle(_, radius) => 2.0 * std::f64::consts::PI * radius * radius,
+        Circle(_, radius) => std::f64::consts::PI * radius * radius,
        Rectangle(_, ref size) => size.w * size.h
    }
 }