スコープ関数の例

scope_function.kt

fun main() {
    val s_let = "hoge".let { it.toUpperCase() }
	println(s_let) //=> HOGE
        
    val s_with = with("hoge") { this.toUpperCase() }
	println(s_with) //=> HOGE
    
    val s_run = "hoge".run { toUpperCase() }
	println(s_run) //=> HOGE
    
    val s_apply = "hoge".apply {
        toUpperCase()
    }
    println(s_apply) //=> hoge
    
    val s_also = "hoge".also { it.toUpperCase() }
	println(s_also) //=> hoge

}