【发布时间】:2018-09-04 07:06:18
【问题描述】:
我正在尝试一些 kotlin 的基础知识 ->
程序:
fun createDate(day: Int, month: Int, year: Int, hour: Int = 0, minute: Int = 0, second: Int = 0) {
print("TEST", "$day-$month-$year $hour:$minute:$second")
}
createDate(1,7,1997)
错误:
error: none of the following functions can be called with the arguments supplied:
@InlineOnly public inline fun print(message: Any?): Unit defined in kotlin.io
@InlineOnly public inline fun print(message: Boolean): Unit defined in kotlin.io
@InlineOnly public inline fun print(message: Byte): Unit defined in kotlin.io
@InlineOnly public inline fun print(message: Char): Unit defined in kotlin.io
@InlineOnly public inline fun print(message: CharArray): Unit defined in kotlin.io
@InlineOnly public inline fun print(message: Double): Unit defined in kotlin.io
@InlineOnly public inline fun print(message: Float): Unit defined in kotlin.io
@InlineOnly public inline fun print(message: Int): Unit defined in kotlin.io
@InlineOnly public inline fun print(message: Long): Unit defined in kotlin.io
@InlineOnly public inline fun print(message: Short): Unit defined in kotlin.io
print("TEST", "$day-$month-$year $hour:$minute:$second")
知道我做错了什么,我一直在关注这个 -> https://www.toptal.com/software/kotlin-android-language
【问题讨论】:
-
print只接受一个参数,你要传递两个参数。 -
消息比较清楚......只存在具有1个参数的方法,但您传递了2个(第一个。“TEST”,第二个:“$day-...$second”)。您可能想使用类似的东西:“TEST $day-...$second”。请注意,我不知道那篇文章的作者使用了哪个
print-function……可能是自建的…… -
天哪...那篇文章已经有 2 年多的历史了,并且使用 Kotlin 版本 1.0.1...您可能想要使用最近编写的教程或者如果您喜欢这种风格只是带着一粒盐......
标签: kotlin