fn set_offset()

in below/store/src/cursor.rs [541:556]

• 11 lines of code
• 4 McCabe index (conditional complexity)

    fn set_offset(&mut self, offset: StoreOffset) {
        if let Some(shard) = offset.get_shard() {
            if self.shard == Some(shard) || self.update_shard(shard).unwrap_or(false) {
                self.index_offset = offset.get_index_offset();
                return;
            }
        }
        // Set the shard even if it does not exist so that advance still finds
        // the closest valid shard. Clear index_mmap as it no longer corresponds
        // to this invalid or virtual shard. The index_offset does not matter
        // much in this case as it will be overwritten once advance is called.
        // Keep it so get_offset may get the same value back.
        self.shard = offset.get_shard();
        self.index_mmap = None;
        self.index_offset = offset.get_index_offset();
    }