Clean up

examples/sea_creatures.ds

@@ -10,6 +10,7 @@ data = {
 for creature in sea_creatures {
 	data.creatures += creature.name
 	data.total_clams += creature.clams
+
 	if creature.type == 'dolphin' {
 		data.dolphin_clams += creature.clams
 	}

src/abstract_tree/assignment.rs

@@ -1,7 +1,7 @@
 use serde::{Deserialize, Serialize};
 use tree_sitter::Node;
 
-use crate::{value, AbstractTree, Error, Result, Value, VariableMap};
+use crate::{AbstractTree, Error, Result, Value, VariableMap};
 
 use super::{identifier::Identifier, statement::Statement};
 

src/evaluator.rs

@@ -85,8 +85,6 @@ impl<'context, 'code> Evaluator<'context, 'code> {
         let root_node = cursor.node();
         let mut prev_result = Ok(Value::Empty);
 
-        println!("{}", root_node.to_sexp());
-
         for item_node in root_node.children(&mut cursor) {
             let item = Item::from_syntax_node(self.source, item_node)?;
             prev_result = item.run(self.source, self.context);

src/value/mod.rs

@@ -780,10 +780,7 @@ impl<'de> Visitor<'de> for ValueVisitor {
     where
         E: serde::de::Error,
     {
-        Err(serde::de::Error::invalid_type(
-            serde::de::Unexpected::Option,
-            &self,
-        ))
+        Ok(Value::Empty)
     }
 
     fn visit_some<D>(self, deserializer: D) -> std::result::Result<Self::Value, D::Error>
@@ -801,10 +798,7 @@ impl<'de> Visitor<'de> for ValueVisitor {
     where
         E: serde::de::Error,
     {
-        Err(serde::de::Error::invalid_type(
-            serde::de::Unexpected::Unit,
-            &self,
-        ))
+        Ok(Value::Empty)
     }
 
     fn visit_newtype_struct<D>(self, deserializer: D) -> std::result::Result<Self::Value, D::Error>