Allow for const arrays of zeros

2020-03-20 10:40:44 +01:00 · 2020-03-20 10:40:44 +01:00 · bcbb9d9acb
commit bcbb9d9acb
parent 621767136e
1 changed files with 5 additions and 0 deletions
--- a/clippy_lints/src/misc.rs
+++ b/clippy_lints/src/misc.rs
@ -475,6 +475,11 @@ fn is_allowed<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr<'_>) -> boo
    match constant(cx, cx.tables, expr) {
        Some((Constant::F32(f), _)) => f == 0.0 || f.is_infinite(),
        Some((Constant::F64(f), _)) => f == 0.0 || f.is_infinite(),
+        Some((Constant::Vec(vec), _)) => vec.iter().all(|f| match f {
+            Constant::F32(f) => *f == 0.0 || (*f).is_infinite(),
+            Constant::F64(f) => *f == 0.0 || (*f).is_infinite(),
+            _ => false,
+        }),
        _ => false,
    }
 }