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kotlin-fork/compiler/testData/diagnostics/tests/regressions/kt282.jet
T

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// KT-282 Nullability in extension functions and in binary calls
class Set {
fun contains(<!UNUSED_PARAMETER!>x<!> : Int) : Boolean = true
}
fun Set?.plus(<!UNUSED_PARAMETER!>x<!> : Int) : Int = 1
fun Int?.contains(<!UNUSED_PARAMETER!>x<!> : Int) : Boolean = false
fun f(): Unit {
var set : Set? = null
val i : Int? = null
i <!UNSAFE_INFIX_CALL!>+<!> 1
set + 1
1 <!UNSAFE_INFIX_CALL!>in<!> set
1 in 2
}