VCF write

src/variant/variant.rs

@@ -394,6 +394,7 @@ impl VcfVariant {
 
     pub fn deletion_desc(&self) -> Option<DeletionDesc> {
         if let Some(len) = self.deletion_len() {
+            info!("{len}");
             Some(DeletionDesc {
                 contig: self.position.contig(),
                 start: self.position.position + 1,