Fixed reading from file return bug

Author: AvicennaJr

evaluator/evaluator.go

@@ -443,14 +443,21 @@ func unwrapReturnValue(obj object.Object) object.Object {
 }
 
 func evalStringInfixExpression(operator string, left, right object.Object, line int) object.Object {
-	if operator != "+" {
-		return newError("Mstari %d: Operesheni Haielweki: %s %s %s", line, left.Type(), operator, right.Type())
-	}
 
 	leftVal := left.(*object.String).Value
 	rightVal := right.(*object.String).Value
 
-	return &object.String{Value: leftVal + rightVal}
+	switch operator {
+	case "+":
+		return &object.String{Value: leftVal + rightVal}
+	// doesn't work for some reason, maybe cause its cause its 4am
+	// case "==":
+	// 	return nativeBoolToBooleanObject(leftVal == rightVal)
+	// case "!=":
+	// 	return nativeBoolToBooleanObject(leftVal != rightVal)
+	default:
+		return newError("Mstari %d: Operesheni Haielweki: %s %s %s", line, left.Type(), operator, right.Type())
+	}
 }
 
 func evalIndexExpression(left, index object.Object, line int) object.Object {

repl/repl.go

@@ -49,7 +49,7 @@ func Read(contents string) {
 	program := p.ParseProgram()
 
 	if len(p.Errors()) != 0 {
-		// fmt.Println(colorfy(ERROR_FACE, 31))
+		fmt.Println(colorfy(ERROR_FACE, 31))
 		fmt.Println("Kuna Errors Zifuatazo:")
 
 		for _, msg := range p.Errors() {
@@ -59,7 +59,9 @@ func Read(contents string) {
 	}
 	evaluated := evaluator.Eval(program, env)
 	if evaluated != nil {
-		fmt.Println(colorfy(evaluated.Inspect(), 32))
+		if evaluated.Type() != object.NULL_OBJ {
+			fmt.Println(colorfy(evaluated.Inspect(), 32))
+		}
 	}
 
 }