How to convert Java assignment expression to Kotlin

Question

Something in java like

int a = 1, b = 2, c = 1;
if ((a = b) !=c){
    System.out.print(true);
}

now it should be converted to kotlin like<

Answer 1

Java: (a = b) != c

Kotlin: b.also { a = it } != c

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Around OP's question:

Unlike the accepted answer, I recommend using Kotlin's also function, instead of let:

while (input.read(bytes).also { tmp = it } != -1) { ...

Because T.also returns T (it) itself and then you can compare it with -1. This is more similar to Java's assignment as an expression.

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See "Return this vs. other type" section on this useful blog for details.