tests/cases/conformance/es6/shorthandPropertyAssignment/objectLiteralShorthandPropertiesFunctionArgument2.ts(7,5): error TS2345: Argument of type '{ name: string; id: number; }' is not assignable to parameter of type '{ a: string; id: number; }'. ==== tests/cases/conformance/es6/shorthandPropertyAssignment/objectLiteralShorthandPropertiesFunctionArgument2.ts (1 errors) ==== var id: number = 10000; var name: string = "my name"; var person = { name, id }; function foo(p: { a: string; id: number }) { } foo(person); // error ~~~~~~ !!! error TS2345: Argument of type '{ name: string; id: number; }' is not assignable to parameter of type '{ a: string; id: number; }'.