| // WITH_STDLIB | |
| fun concatNonNulls(strings: List<String?>): String { | |
| var result = "" | |
| for (str in strings) { | |
| result += str?:continue | |
| } | |
| return result | |
| } | |
| fun box(): String { | |
| val test = concatNonNulls(listOf("abc", null, null, "", null, "def")) | |
| if (test != "abcdef") return "Failed: test=$test" | |
| return "OK" | |
| } |