Use core over std in no_std dep

2021-03-25 17:18:25 +01:00
parent 9b5192b357
commit a81ba0365d
1 changed files with 1 additions and 1 deletions
--- a/utils/integrate/src/lib.rs
+++ b/utils/integrate/src/lib.rs
@@ -281,7 +281,7 @@ fn ballistic() {
    while t < 1.0 {
        let mut next2 = next.clone();
        integrate::<EulerMethod, Ball, _>(gravity, &next, &mut next2, &mut t, dt, &mut k);
-        std::mem::swap(&mut next, &mut next2);
+        core::mem::swap(&mut next, &mut next2);
    }
    let expected_vel = initial.v + g * t;
    assert!((next.v - expected_vel).abs() < 1e-3);