Add derive(Default) to HashMapContext

CHANGELOG.md

@@ -19,7 +19,7 @@
 ### Added
 
  * Add serde support to `HashMapContext`
- * Make `HashMapContext` derive default
+ * Make `HashMapContext` derive `Default` and `Debug`
 
 ### Changed
 

src/context/mod.rs

@@ -49,7 +49,7 @@ impl Context for EmptyContext {
 /// *Value and function mappings are stored independently, meaning that there can be a function and a value with the same identifier.*
 ///
 /// This context is type-safe, meaning that an identifier that is assigned a value of some type once cannot be assigned a value of another type.
-#[derive(Debug)]
+#[derive(Debug, Default)]
 #[cfg_attr(feature = "serde_support", derive(Serialize, Deserialize))]
 pub struct HashMapContext {
     variables: HashMap<String, Value>,
@@ -60,10 +60,7 @@ pub struct HashMapContext {
 impl HashMapContext {
     /// Constructs a `HashMapContext` with no mappings.
     pub fn new() -> Self {
-        Self {
-            variables: Default::default(),
-            functions: Default::default(),
-        }
+        Default::default()
     }
 }