[Null Values]
7 	else -> <bold>null</bold>
9 		return <bold>s</bold>
4 			var <bold>s = when {</bold>
4 				var s = <bold>when {</bold>
7 					else -> <bold>null</bold>

[NotNull Values]
5 	n > 0 -> <bold>"+"</bold>
9 		return <bold>s</bold>
4 			var <bold>s = when {</bold>
4 				var s = <bold>when {</bold>
5 					n > 0 -> <bold>"+"</bold>
6 	n < 0 -> <bold>"-"</bold>
9 		return <bold>s</bold>
4 			var <bold>s = when {</bold>
4 				var s = <bold>when {</bold>
6 					n < 0 -> <bold>"-"</bold>

