Reducer changes

schala-lang/language/src/reduced_ast.rs

@@ -97,15 +97,16 @@ pub enum Func {
 
 struct Reducer<'a> {
   symbol_table: &'a SymbolTable,
+  reduced_ast: ReducedAST,
 }
 
 impl<'a> Reducer<'a> {
   fn new(symbol_table: &'a SymbolTable) -> Reducer {
-    Reducer { symbol_table }
+    Reducer { symbol_table, reduced_ast: ReducedAST(vec![]) }
   }
 
-  fn output(&mut self) -> Result<ReducedAST, String> {
-    Err("yolo".to_string())
+  fn done(self) -> Result<ReducedAST, String> {
+    Ok(self.reduced_ast)
   }
 }
 
@@ -116,7 +117,7 @@ impl<'a> ASTVisitor for Reducer<'a> {
 pub fn perform_reduction(mut input: AST, symbol_table: &SymbolTable) -> Result<ReducedAST, String> {
   let mut reducer = Reducer::new(symbol_table);
   let _ = input.visit(&mut reducer).map_err(|e| e.to_string())?;
-  reducer.output()
+  reducer.done()
 }
 
 impl AST {