Andrey Breslav
36 lines
825 B
Kotlin
36 lines
825 B
Kotlin
//KT-1028 Wrong type checking for plusAssign
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package kt1028
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import java.util.*
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class event<T>()
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{
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val callbacks = ArrayList< Function1<T, Unit> >() // Should be ArrayList<()->Unit>, bug posted
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fun plusAssign(f : (T) -> Unit) = callbacks.add(f)
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fun minusAssign(f : (T) -> Unit) = callbacks.remove(f)
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fun call(value : T) = for(c in callbacks) c(value)
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}
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class MouseMovedEventArgs()
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{
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public val X : Int = 0
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}
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class Control()
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{
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public val MouseMoved : event<MouseMovedEventArgs> = event<MouseMovedEventArgs>()
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fun MoveMouse() = MouseMoved.call(MouseMovedEventArgs())
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}
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class Test()
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{
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fun test()
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{
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val control = Control()
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control.MouseMoved <!ASSIGNMENT_OPERATOR_SHOULD_RETURN_UNIT!>+=<!> { it.X } // here
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control.MouseMoved.plusAssign( { it.X } ) // ok
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}
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}
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