Method remove

datafusion/execution/src/cache/file_metadata_cache.rs:105–113

Removes an entry from the cache and returns it, if it exists.

(&mut self, k: &Path)

    /// Removes an entry from the cache and returns it, if it exists.
    fn remove(&mut self, k: &Path) -> Option<CachedFileMetadataEntry> {
        if let Some(old_entry) = self.lru_queue.remove(k) {
            self.memory_used -= old_entry.file_metadata.memory_size();
            self.cache_hits.remove(k);
            Some(old_entry)
        } else {
            None
        }
    }

    /// Returns the number of entries currently cached.
    fn len(&self) -> usize {