implements

问题 I was exploring the possibility of having a class implementing a class in TypeScript. Hence, I wrote the following code Playground link: class A { private f() { console.log("f"); } public g() { console.log("G"); } } class B implements A { public g() { console.log("g"); } } And I got the error: Class 'B' incorrectly implements class 'A' --- property 'f' is missing in type 'B' coupled with a suggestion that I actually meant extends . So I tried to make a private field called f ( public didn't

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 8 years ago . I have two classes that need to extend one class. I am getting a compiler error since this cannot happen in Java. I know that you can implement as many interfaces you want to in Java but can only extend one other

问题 I'm getting into classes and interfaces. And I got one thing about it that annoys me, this is the first time I work with these kind of things so bear with me here.. Let's say I got this interface: // IFoo.d.ts export default interface IFoo { foo: string; bar: number; } When I implement it in a class I do the following: // FooModel.ts import IFoo from './IFoo'; export default class FooModel implements IFoo { foo: string; bar: number; constructor({ foo, bar }: IFoo = { foo: 'hello', bar: 1 }) {

问题 For larger VBA projects (40,000+ lines of code) I cannot properly use interfaces because the Application (I mainly use Excel) will crash quite often. Apparently, this is because the code cannot remain compiled (from my understanding VBA code gets compiled to P-code which is later interpreted). I mainly get this behavior when the VBA Project is password protected. The Debug/Compile menu is almost never "greyed out" when I open the hosting document: This article describes the same behavior. Go

问题 For larger VBA projects (40,000+ lines of code) I cannot properly use interfaces because the Application (I mainly use Excel) will crash quite often. Apparently, this is because the code cannot remain compiled (from my understanding VBA code gets compiled to P-code which is later interpreted). I mainly get this behavior when the VBA Project is password protected. The Debug/Compile menu is almost never "greyed out" when I open the hosting document: This article describes the same behavior. Go

来源： https://stackoverflow.com/questions/58256115/typescript-incorrect-type-inference-when-class-implements-interface

来源： https://stackoverflow.com/questions/58256115/typescript-incorrect-type-inference-when-class-implements-interface

问题 I would like an object to be comparable (to use it in a TreeSet in that case). My object got a name field and I would like it to be sorted by alphabetical order. I thought first that I could use the unicode value of the string and simply do a subtraction, but then AA would be after Ab for example… Here’s how I started : public final class MyObject implements Comparable<MyObject> { private String name; public MyObject(String name) { this.name = name; } public String name() { return name; }

问题 I would like an object to be comparable (to use it in a TreeSet in that case). My object got a name field and I would like it to be sorted by alphabetical order. I thought first that I could use the unicode value of the string and simply do a subtraction, but then AA would be after Ab for example… Here’s how I started : public final class MyObject implements Comparable<MyObject> { private String name; public MyObject(String name) { this.name = name; } public String name() { return name; }

问题 I want to force subclass to implement an implemented method of my mother class. I look this Java - Force implementation of an implemented method but i can't convert my mother class to an abstract class. public class myMotherClass { myMethod { ...some code .. } } public class myClass extends myMotherClass { myMethod { ... other code ... } } So, in this exemple, I want to force myClass implement myMethod. Sorry for my english... 回答1: You can not force a subclass to override a method. You can