refactor: use idiomatic .is_empty() instead of comparing length

1 files changed, 1 insertions, 1 deletions

diff --git a/src/index.rs b/src/index.rs
index 83f854c..887238c 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -217,7 +217,7 @@ mod sql {
                 return Err(err);
             }
         }
-        if metas.len() == 0 {
+        if metas.is_empty() {
             eprintln!("lookup: no hits");
             return Err(IndexError::MissingChunk(id.clone()));
         }