雑だけどlocal functionでprintln定義してlinenumberだすやつ #CodePiece #read_kotlin

CodePiece.kt

fun main(args: Array<String>) {
    fun <T> println(message: T) {
        print(Thread.currentThread().stackTrace[2].lineNumber.toString() + "行目 ")
        print(message)
        print("\n")
    }
    println("hi")
}