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Fixed bug caused by incorrect synthesis of item
and keys
attributes for named tuple classes. This addresses #7768. (#7775)
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@ -382,15 +382,6 @@ export function createNamedTupleType(
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classFields.set('__new__', Symbol.createWithType(SymbolFlags.ClassMember, constructorType));
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classFields.set('__init__', Symbol.createWithType(SymbolFlags.ClassMember, initType));
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const keysItemType = FunctionType.createSynthesizedInstance('keys');
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const itemsItemType = FunctionType.createSynthesizedInstance('items');
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keysItemType.details.declaredReturnType = evaluator.getBuiltInObject(errorNode, 'list', [
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evaluator.getBuiltInObject(errorNode, 'str'),
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]);
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itemsItemType.details.declaredReturnType = keysItemType.details.declaredReturnType;
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classFields.set('keys', Symbol.createWithType(SymbolFlags.InstanceMember, keysItemType));
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classFields.set('items', Symbol.createWithType(SymbolFlags.InstanceMember, itemsItemType));
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const lenType = FunctionType.createSynthesizedInstance('__len__');
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lenType.details.declaredReturnType = evaluator.getBuiltInObject(errorNode, 'int');
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FunctionType.addParameter(lenType, selfParameter);
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