wrote dsl for ast boiler plate generation

repl/main.go

@@ -11,6 +11,7 @@ type REPL struct {
 	input textinput.Model
 
 	history     []string
+	output      []string
 	historySize uint
 }
 
@@ -24,6 +25,7 @@ func NewREPL(historySize uint) REPL {
 
 	return REPL{
 		history:     make([]string, historySize),
+		output:      make([]string, historySize),
 		historySize: historySize,
 		input:       inputModel,
 	}