[英]How to assign a default value to a function as parameter in Kotlin
In my Kotlin project I would like to assign a default value to a function passed as a parameter, something like:在我的 Kotlin 项目中,我想为作为参数传递的 function 分配一个默认值,例如:
fun myFun(book: String, isCool: (book: String) -> Boolean = _ -> true) {
if (isCool(book)) println("$book is cool!")
}
Is this possible?这可能吗?
Yes it is possible是的,有可能
fun myFun(book: String, isCool: (book: String) -> Boolean = { _ -> true }) {
if (isCool(book)) println("$book is cool!")
}
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