Dmitriy Novozhilov
37 lines
782 B
Kotlin
Vendored
37 lines
782 B
Kotlin
Vendored
// !CHECK_TYPE
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package a
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//+JDK
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import java.util.*
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import checkSubtype
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fun foo() {
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val v = array(1, 2, 3)
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val u = v map { it * 2 }
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checkSubtype<List<Int>>(u)
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val a = 1..5
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val b = a.map { it * 2 }
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checkSubtype<List<Int>>(b)
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//check for non-error types
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checkSubtype<String>(<!TYPE_MISMATCH!>u<!>)
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checkSubtype<String>(<!TYPE_MISMATCH!>b<!>)
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}
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// ---------------------
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// copy from kotlin util (but with `infix` modifier on `map`)
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@Suppress("UNCHECKED_CAST")
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fun <T> array(vararg t : T) : Array<T> = t as Array<T>
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infix fun <T, R> Array<T>.map(transform : (T) -> R) : List<R> {<!NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY!>}<!>
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infix fun <T, R> Iterable<T>.map(transform : (T) -> R) : List<R> {<!NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY!>}<!>
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