From 75b1bab16f2ac899e95962b50e50344ceaf3deca Mon Sep 17 00:00:00 2001
From: pmqueiroz <pedroqueiroz593@gmail.com>
Date: Tue, 10 Dec 2024 23:59:38 -0300
Subject: [PATCH] fix: prevent range to return unknown type

---
 interpreter/eval.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/interpreter/eval.go b/interpreter/eval.go
index f714802..5c6ca21 100644
--- a/interpreter/eval.go
+++ b/interpreter/eval.go
@@ -323,7 +323,12 @@ func Evaluate(expression ast.Expression, env *environment.Environment) (interfac
 		case tokens.RANGE:
 			switch parsedRight := right.(type) {
 			case string:
-				return strings.Split(parsedRight, ""), nil
+				runes := []rune(parsedRight)
+				result := make([]interface{}, len(runes))
+				for i, r := range runes {
+					result[i] = string(r)
+				}
+				return result, nil
 			case map[interface{}]interface{}:
 				var result [][]interface{}
 				for key, value := range parsedRight {