Use .signum() instead of if-else

[kaka/rust-sdl-test.git] / src / geometry.rs

diff --git a/src/geometry.rs b/src/geometry.rs
index 540db53..2d5a70c 100644 (file)
--- a/src/geometry.rs
+++ b/src/geometry.rs
@@ -330,10 +330,7 @@ impl<T> From<Dimension<T>> for (T, T) {
 pub fn supercover_line_int(p1: Point<isize>, p2: Point<isize>) -> Vec<Point<isize>> {
     let d = p2 - p1;
     let n = point!(d.x.abs(), d.y.abs());
-    let step = point!(
-       if d.x > 0 { 1 } else { -1 },
-       if d.y > 0 { 1 } else { -1 }
-    );
+    let step = point!(d.x.signum(), d.y.signum());
 
     let mut p = p1;
     let mut points = vec!(point!(p.x as isize, p.y as isize));