compiler/testData/codegen/controlStructures/forInArray.kt - third_party/github/JetBrains/kotlin - Git at Google

 fun concat(l: Array<String>): String? {
   val sb = StringBuilder()
   for(s in l) {
     sb.append(s)
   }
   return sb.toString()
 }
	fun concat(l: Array<String>): String? {
	val sb = StringBuilder()
	for(s in l) {
	sb.append(s)
	}
	return sb.toString()
	}