Multiple variable let in Kotlin

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失恋的感觉
失恋的感觉 2020-11-30 18:48

Is there any way to chain multiple lets for multiple nullable variables in kotlin?

fun example(first: String?, second: String?) {
    first?.let {
        se         


        
12条回答
  •  野性不改
    2020-11-30 19:34

    You could also do this

    if (listOfNotNull(var1, var2, var3).size == 3) {
            // All variables are non-null
    }
    

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