如何告诉 TypeScript 一个对象的函数将填充一个否则为 null 的属性?
英文: How can I tell typescript that an object's function will populate an otherwise null property? 问题 {#heading} ============= 我的问题与这个类似: Type Name = {firstName: string, lastNam...
英文: How can I tell typescript that an object's function will populate an otherwise null property? 问题 {#heading} ============= 我的问题与这个类似: Type Name = {firstName: string, lastNam...