fix a bug in binary search

dfyz · Feb 9, 2017 · c3e07df · c3e07df
1 parent 08979f2
commit c3e07df
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/geodata/reader.rs b/src/geodata/reader.rs
@@ -151,7 +151,12 @@ impl<'a> Tags<'a> {
                 Ordering::Equal => return Some(mid_value.get_value().unwrap()),
             }
         }
-        None
+        let final_candidate = self.reader.get(lo);
+        if final_candidate.get_key().unwrap() == key {
+            Some(final_candidate.get_value().unwrap())
+        } else {
+            None
+        }
     }
 
     pub fn get(&self, index: u32) -> geodata_capnp::tag::Reader<'a> {