Evgeniy.Zhelenskiy
931f2eab58
The rule of thumb is the following: If the `if` and `when` can be successfully replaced with `while`, then it is used as a statement, otherwise, it is used as an expression. #KT-59883
87 lines
2.1 KiB
Kotlin
Vendored
87 lines
2.1 KiB
Kotlin
Vendored
// !CHECK_TYPE
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package foo
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import checkType
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import checkSubtype
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fun Any.foo() : () -> Unit {
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return {}
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}
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fun Any.foo1() : (i : Int) -> Unit {
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return {}
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}
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fun foo2() : (i : () -> Unit) -> Unit {
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return {}
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}
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fun <T> fooT1(t : T) : () -> T {
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return {t}
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}
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fun <T> fooT2() : (t : T) -> T {
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return {it}
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}
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fun main(args : Array<String>) {
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args.foo()()
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args.foo1()<!NO_VALUE_FOR_PARAMETER!>()<!>
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<!UNRESOLVED_REFERENCE!>a<!>.foo1()<!NO_VALUE_FOR_PARAMETER!>()<!>
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<!UNRESOLVED_REFERENCE!>a<!>.foo1()(<!UNRESOLVED_REFERENCE!>a<!>)
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args.foo1()(1)
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args.foo1()(<!ARGUMENT_TYPE_MISMATCH!>"1"<!>)
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<!UNRESOLVED_REFERENCE!>a<!>.foo1()(<!ARGUMENT_TYPE_MISMATCH!>"1"<!>)
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<!UNRESOLVED_REFERENCE!>a<!>.foo1()(<!UNRESOLVED_REFERENCE!>a<!>)
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foo2()({})
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foo2()<!TOO_MANY_ARGUMENTS!>{}<!>
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(foo2()){}
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(foo2())<!ARGUMENT_TYPE_MISMATCH!>{<!CANNOT_INFER_PARAMETER_TYPE!>x<!> -> }<!>
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foo2()(<!ARGUMENT_TYPE_MISMATCH!>{<!CANNOT_INFER_PARAMETER_TYPE!>x<!> -> }<!>)
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val a = fooT1(1)()
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checkSubtype<Int>(a)
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val b = fooT2<Int>()(1)
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checkSubtype<Int>(b)
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<!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>fooT2<!>()(1) // : Any?
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<!FUNCTION_EXPECTED!>1<!>()
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<!FUNCTION_EXPECTED!>1<!>{}
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<!FUNCTION_EXPECTED!>1<!>(){}
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}
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fun f() : Int.() -> Unit = {}
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fun main1() {
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1.(fun Int.() = 1)();
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{1}();
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(fun (x : Int) = x)(1)
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1.(fun Int.(x : Int) = x)(1);
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l@{1}()
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1.((fun Int.() = 1))()
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1.(f())()
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1.if(true){f()}else{f()}()
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1.if(true)(fun Int.() {})else{f()}()
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1.<!FUNCTION_EXPECTED!>"sdf"<!>()
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1.<!ILLEGAL_SELECTOR!>"sdf"<!>
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1.<!ILLEGAL_SELECTOR!>{}<!>
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1.<!ILLEGAL_SELECTOR!>if (true) {}<!>
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}
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fun test() {
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{x : Int -> 1}<!NO_VALUE_FOR_PARAMETER!>()<!>;
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(fun Int.() = 1)<!NO_VALUE_FOR_PARAMETER!>()<!>
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"sd".<!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>(fun Int.() = 1)<!>()
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val i : Int? = null
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i.<!UNSAFE_IMPLICIT_INVOKE_CALL!>(fun Int.() = 1)<!>();
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<!INAPPLICABLE_CANDIDATE!>{}<!><Int>()
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1<!UNNECESSARY_SAFE_CALL!>?.<!>(fun Int.() = 1)()
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1.<!NO_RECEIVER_ALLOWED!>{}<!>()
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}
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