Add a 'clear' method to map.

wasmerio · Nov 25, 2019 · 94eca51 · 94eca51
1 parent 5c1c786
commit 94eca51
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/lib/runtime-core/src/structures/map.rs b/lib/runtime-core/src/structures/map.rs
@@ -37,6 +37,11 @@ where
         }
     }
 
+    /// Clears the map. Keeps the allocated memory for future use.
+    pub fn clear(&mut self) {
+        self.elems.clear();
+    }
+
     /// Returns the size of this map.
     pub fn len(&self) -> usize {
         self.elems.len()