我有一节课
data classOuter (
val str: String = "fOo"
...
val innerClassInstance: InnerClass= InnerClass(),
) {
...
inner class InnerClass {
fun foo () {
return str.toLowerCase()
}
}
}
但我得到一个错误:
Constructor of inner class InnerClass can be called only with receiver of containing class
有什么方法可以避免吗?