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FIR: use expected type for lambda return statements if possible

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This commit is contained in:
pyos
2023-01-02 11:37:38 +01:00
committed by Dmitriy Novozhilov
parent 1eccb9aea1
commit 5e8591d61d
10 changed files with 60 additions and 17 deletions
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compiler/testData/diagnostics/tests/inference/coercionToUnit/nestedLambda.kt
Vendored
+20
View File
@@ -0,0 +1,20 @@
// FIR_IDENTICAL
// !SKIP_TXT
interface Context<T> {
fun proceed(): T
}
interface A<T : Any, K : Any> {
fun process(block: Context<T>.(T) -> Unit)
}
fun <T> processNested(body: () -> T): T {
return body()
}
fun test(pipeline: A<Any, String>) {
pipeline.process {
// OK: processNested<Unit> { /* no return */ proceed() /*: Any */ /* implicit coercion to Unit */ }
return@process processNested { proceed() }
}
}
compiler/testData/diagnostics/tests/inference/completion/postponedArgumentsAnalysis/basic.fir.kt
Vendored
+2 -2
View File
@@ -139,8 +139,8 @@ fun main() {
* K <: (C) -> Unit -> TypeVariable(_RP1) >: C
* K == (B) -> Unit -> TypeVariable(_RP1) == B
*/
val x17: (C) -> Unit = <!INITIALIZER_TYPE_MISMATCH, TYPE_MISMATCH!>selectB(id <!ARGUMENT_TYPE_MISMATCH, ARGUMENT_TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("B")!>it<!> }<!>, id <!ARGUMENT_TYPE_MISMATCH, ARGUMENT_TYPE_MISMATCH!>{ it }<!>, id<(B) -> Unit> { x -> x })<!>
val x18: (C) -> Unit = <!TYPE_MISMATCH!>select(id <!ARGUMENT_TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, <!ARGUMENT_TYPE_MISMATCH, ARGUMENT_TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, id<(B) -> Unit> { x -> x })<!>
val x17: (C) -> Unit = <!INITIALIZER_TYPE_MISMATCH, TYPE_MISMATCH!>selectB(id <!ARGUMENT_TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("B")!>it<!> }<!>, id <!ARGUMENT_TYPE_MISMATCH!>{ it }<!>, id<(B) -> Unit> { x -> x })<!>
val x18: (C) -> Unit = <!TYPE_MISMATCH!>select(id <!ARGUMENT_TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, <!ARGUMENT_TYPE_MISMATCH!>{ <!DEBUG_INFO_EXPRESSION_TYPE("C")!>it<!> }<!>, id<(B) -> Unit> { x -> x })<!>
// Resolution of extension/non-extension functions combination
val x19: String.() -> Unit = select(<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Function1<kotlin.String, kotlin.Unit>")!>id { <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String")!>this<!> }<!>, <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Function1<kotlin.String, kotlin.Unit>")!>id(fun(x: String) {})<!>)