Typescript中解构赋值并取别名时如何再定义类型？

Question

// Error: Binding element 'id' implicitly has an 'any' type
function next(state: { id: number }, { payload: id }) {
  state.id = id;
}
next({ id: 1 }, { payload: 2 });

Answer 1

function next(state: { id: number }, { payload: id }: { payload: number }) {
  state.id = id;
}