csi/index/reference_sequence: Allow clippy::unnecessary_lazy_evaluati…

…ons lint Otherwise, this panics when `id` is 0. This is a known false positive in clippy (rust-lang/rust-clippy#9422).
zaeleus · Jan 23, 2023 · 816d2b6 · 816d2b6
1 parent 3117092
commit 816d2b6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/noodles-csi/src/index/reference_sequence.rs b/noodles-csi/src/index/reference_sequence.rs
@@ -199,6 +199,8 @@ const M: usize = match NonZeroUsize::new(8) {
 
 // parent of i = floor((i - 1) / M)
 fn parent_id(id: usize) -> Option<usize> {
+    // See <https://github.com/rust-lang/rust-clippy/issues/9422>.
+    #[allow(clippy::unnecessary_lazy_evaluations)]
     (id > 0).then(|| (id - 1) / M)
 }