| fun box(): String { | |
| 9 in 0..9 | |
| val intRange = 0..9 | |
| 9 in intRange | |
| val charRange = '0'..'9' | |
| '9' in charRange | |
| val byteRange = 0.toByte()..9.toByte() | |
| // seems no stdlib available here, thus no contains as extension | |
| 9 in byteRange | |
| val longRange = 0.toLong()..9.toLong() | |
| 9.toLong() in longRange | |
| val shortRange = 0.toShort()..9.toShort() | |
| 9 in shortRange | |
| return "OK" | |
| } |