Lambda expressions

Capturing variable

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Take a look at this code:

var counter: () -> Int = { -42 }

fun reinitializeCounter(): Int {
    var value = 0
    counter = { ++value }
    return value
}

What does the reinitializeCounter function return if you call it and don't call the counter at the same time?

Select one option from the list

Always 0

Always not 0

Anything

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