Introduce language feature DestructuringLambdaParameters
#KT-5828 Fixed
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@@ -27,7 +27,8 @@ enum class LanguageFeature(val sinceVersion: LanguageVersion) {
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Coroutines(KOTLIN_1_1),
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AdditionalBuiltInsMembers(KOTLIN_1_1),
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DataClassInheritance(KOTLIN_1_1),
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InlineProperties(KOTLIN_1_1)
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InlineProperties(KOTLIN_1_1),
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DestructuringLambdaParameters(KOTLIN_1_1),
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;
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companion object {
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@@ -291,6 +291,10 @@ public class DescriptorResolver {
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List<VariableDescriptor> destructuringVariables;
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if (destructuringDeclaration != null) {
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if (!languageVersionSettings.supportsFeature(LanguageFeature.DestructuringLambdaParameters)) {
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trace.report(Errors.UNSUPPORTED_FEATURE.on(valueParameter, LanguageFeature.DestructuringLambdaParameters));
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}
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destructuringVariables = destructuringDeclarationResolver.resolveLocalVariablesFromDestructuringDeclaration(
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scope, destructuringDeclaration, new TransientReceiver(type), /* initializer = */ null,
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ExpressionTypingContext.newContext(trace, scope, DataFlowInfoFactory.EMPTY, TypeUtils.NO_EXPECTED_TYPE)
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