kotlin.text.mapIndexedNotNullTo

mapIndexedNotNullTo

inline fun <R : Any, C : MutableCollection<in R>> CharSequence.mapIndexedNotNullTo(
    destination: C, 
    transform: (index: Int, Char) -> R?
): C

Applies the given transform function to each character and its index in the original char sequence and appends only the non-null results to the given 登录查看完整内容