'inferred type is Class<in Any!>! but Class<Any>? was expected

Kotlin 1.3.11

fun doSomething(clazz : Class<Any>?){
    if(clazz == null){return}
    var myClass = clazz
    //processing
    myClass = clazz.superclass
    //processing
}

This will cause compilation error

Type inference failed. Expected type mismatch: inferred type is Class<in Any!>! but Class? was expected

What should be done to fix it?

kotlin generics

Sources

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Source: Stack Overflow

Solution	Source

'inferred type is Class<in Any!>! but Class<Any>? was expected

Sources

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