Initialize builder inference lambda anyway, even a call is inapplicable

^KT-47744 Fixed
2021-07-15 11:17:27 +03:00
parent 2b0ba6fa40
commit 357fda2efa
19 changed files with 227 additions and 1 deletions
@@ -0,0 +1,37 @@
+// !LANGUAGE: -UnrestrictedBuilderInference
+// !DIAGNOSTICS: -EXPERIMENTAL_IS_NOT_ENABLED -UNCHECKED_CAST
+// WITH_RUNTIME
+
+import kotlin.experimental.ExperimentalTypeInference
+
+@OptIn(ExperimentalTypeInference::class)
+fun <T> flow(@BuilderInference block: suspend FlowCollector<T>.() -> Unit) = Flow<T>()
+
+@OptIn(ExperimentalTypeInference::class)
+fun <E> produce(@BuilderInference block: suspend SendChannel<E>.() -> Unit) {}
+
+interface SendChannel<in E> {
+    val onSend: SelectClause2<E, SendChannel<E>>
+}
+
+interface SelectClause2<in P, out Q>
+class Flow<out T>
+interface FlowCollector<in T>
+
+interface SelectBuilder<in R> {
+    operator fun <P, Q> SelectClause2<P, Q>.invoke(param: P, block: suspend (Q) -> R)
+}
+
+inline fun <R> select(crossinline builder: SelectBuilder<R>.() -> Unit) = Unit as R
+
+fun test() {
+    val x: Flow<String> = flow {
+        produce {
+            select<Unit> {
+                onSend("") {
+
+                }
+            }
+        }
+    }
+}
@@ -0,0 +1,37 @@
+// !LANGUAGE: -UnrestrictedBuilderInference
+// !DIAGNOSTICS: -EXPERIMENTAL_IS_NOT_ENABLED -UNCHECKED_CAST
+// WITH_RUNTIME
+
+import kotlin.experimental.ExperimentalTypeInference
+
+@OptIn(ExperimentalTypeInference::class)
+fun <T> flow(@BuilderInference block: suspend FlowCollector<T>.() -> Unit) = Flow<T>()
+
+@OptIn(ExperimentalTypeInference::class)
+fun <E> produce(@BuilderInference block: suspend SendChannel<E>.() -> Unit) {}
+
+interface SendChannel<in E> {
+    val onSend: SelectClause2<E, SendChannel<E>>
+}
+
+interface SelectClause2<in P, out Q>
+class Flow<out T>
+interface FlowCollector<in T>
+
+interface SelectBuilder<in R> {
+    operator fun <P, Q> SelectClause2<P, Q>.invoke(param: P, block: suspend (Q) -> R)
+}
+
+inline fun <R> select(crossinline builder: SelectBuilder<R>.() -> Unit) = Unit as R
+
+fun test() {
+    val x: Flow<String> = flow {
+        <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>produce<!> {
+            select<Unit> {
+                <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>onSend<!>("") {
+
+                }
+            }
+        }
+    }
+}
@@ -0,0 +1,39 @@
+package
+
+@kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ T> flow(/*0*/ @kotlin.BuilderInference block: suspend FlowCollector<T>.() -> kotlin.Unit): Flow<T>
+@kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ E> produce(/*0*/ @kotlin.BuilderInference block: suspend SendChannel<E>.() -> kotlin.Unit): kotlin.Unit
+public inline fun </*0*/ R> select(/*0*/ crossinline builder: SelectBuilder<R>.() -> kotlin.Unit): R
+public fun test(): kotlin.Unit
+
+public final class Flow</*0*/ out T> {
+    public constructor Flow</*0*/ out T>()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface FlowCollector</*0*/ in T> {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface SelectBuilder</*0*/ in R> {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    public abstract operator fun </*0*/ P, /*1*/ Q> SelectClause2<P, Q>.invoke(/*0*/ param: P, /*1*/ block: suspend (Q) -> R): kotlin.Unit
+}
+
+public interface SelectClause2</*0*/ in P, /*1*/ out Q> {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface SendChannel</*0*/ in E> {
+    public abstract val onSend: SelectClause2<E, SendChannel<E>>
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}