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[FIR] Remove redundant nullability from findFunctionalTypesInConstraints return type

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This commit is contained in:
Dmitriy Novozhilov
2022-01-19 16:36:17 +03:00
committed by TeamCityServer
parent 7d8a8d543f
commit fbab32c4dd
1 changed files with 5 additions and 5 deletions
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compiler/resolution.common/src/org/jetbrains/kotlin/resolve/calls/inference/components/PostponedArgumentInputTypesResolver.kt
+5 -5
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@@ -41,7 +41,7 @@ class PostponedArgumentInputTypesResolver(
private fun Context.findFunctionalTypesInConstraints(
variable: VariableWithConstraints,
variableDependencyProvider: TypeVariableDependencyInformationProvider
): List<TypeWithKind>? {
): List<TypeWithKind> {
fun List<Constraint>.extractFunctionalTypes() = mapNotNull { constraint ->
TypeWithKind(constraint.type.getFunctionalTypeFromSupertypes(), constraint.kind)
}
@@ -67,22 +67,22 @@ class PostponedArgumentInputTypesResolver(
val functionalTypesFromConstraints = findFunctionalTypesInConstraints(variableWithConstraints, variableDependencyProvider)
// Don't create functional expected type for further error reporting about a different number of arguments
if (functionalTypesFromConstraints != null && functionalTypesFromConstraints.distinctBy { it.type.argumentsCount() }.size > 1)
if (functionalTypesFromConstraints.distinctBy { it.type.argumentsCount() }.size > 1)
return null
val parameterTypesFromDeclaration =
if (argument is LambdaWithTypeVariableAsExpectedTypeMarker) argument.parameterTypesFromDeclaration else null
val parameterTypesFromConstraints = functionalTypesFromConstraints?.mapTo(SmartSet.create()) { typeWithKind ->
val parameterTypesFromConstraints = functionalTypesFromConstraints.mapTo(SmartSet.create()) { typeWithKind ->
typeWithKind.type.extractArgumentsForFunctionalTypeOrSubtype().map {
// We should use opposite kind as lambda's parameters are contravariant
TypeWithKind(it, typeWithKind.direction.opposite())
}
}
val annotations = functionalTypesFromConstraints?.map { it.type.getAttributes() }?.flatten()?.distinct()
val annotations = functionalTypesFromConstraints.map { it.type.getAttributes() }.flatten().distinct()
val extensionFunctionTypePresentInConstraints = functionalTypesFromConstraints?.any { it.type.isExtensionFunctionType() } == true
val extensionFunctionTypePresentInConstraints = functionalTypesFromConstraints.any { it.type.isExtensionFunctionType() }
// An extension function flag can only come from a declaration of anonymous function: `select({ this + it }, fun Int.(x: Int) = 10)`
val (parameterTypesFromDeclarationOfRelatedLambdas, isThereExtensionFunctionAmongRelatedLambdas, maxParameterCount) =