cargo fmt & fix

src/lexer.rs

@@ -21,7 +21,7 @@ pub fn lex(input: String) -> Result<Words, LexerError> {
 }
 
 fn read_block(str_words: &[String], isfn: bool) -> Result<(Option<u32>, Words, usize), LexerError> {
-    if str_words.len() == 0 {
+    if str_words.is_empty() {
         return Ok((None, Words::new(Vec::new()), 0));
     }
     let mut rem = None;

src/runtime.rs

@@ -840,9 +840,7 @@ impl Type {
             q.append(&mut VecDeque::from(t.lock_ro().parents.clone()));
         }
         for property in to_apply.into_iter().rev() {
-            if !object.property_map.contains_key(&property) {
-                object.property_map.insert(property, Value::Null.spl());
-            }
+            object.property_map.entry(property).or_insert_with(|| Value::Null.spl());
         }
     }