Добавить stringutil/stringutil.go

stringutil/stringutil.go

@@ -0,0 +1,13 @@
+package stringutil
+
+func Reverse(s string) string {
+	r := []rune(s)
+	for i, j := 0, len(r)-1; i < len(r)/2; i, j = i+1, j-1 {
+		r[i], r[j] = r[j], r[i]
+	}
+	return string(r)
+}
+
+func IsPalindrome(s string) bool {
+	return s == Reverse(s)
+}