fix(ThingBuf): fix backwards subtraction in len

Signed-off-by: Eliza Weisman <[email protected]>
hawkw · Nov 29, 2021 · caab6b2 · caab6b2
1 parent 1c28c84
commit caab6b2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/lib.rs b/src/lib.rs
@@ -244,7 +244,7 @@ impl Core {
                 let (head_idx, _) = self.idx_gen(head);
                 let (tail_idx, _) = self.idx_gen(tail);
                 return match head_idx.cmp(&tail_idx) {
-                    cmp::Ordering::Less => head_idx - tail_idx,
+                    cmp::Ordering::Less => tail_idx - head_idx,
                     cmp::Ordering::Greater => self.capacity - head_idx + tail_idx,
                     _ if tail == head => 0,
                     _ => self.capacity,