package error_handle import ( "github.com/pkg/errors" ) // 1、自定义error结构体,并重写Error()方法 // 错误时返回自定义结构 type CustomError struct { Code int `json:"code"` // 业务码 TagMessage string `json:"message"` // 描述信息 } func (e *CustomError) Error() string { return ...
defer里面的变量必须与函数定义的返回值变量是同一个变量才会在最后的时候return defer自执行函数操作后的结果。 不满足这个条件,return的结果就不是defer自执行函数操作后的结果。return变量的类型要和函数的返回值类型保持一致,不然会报编译错误。 用变量的内存地址来理解,真的一切都很easy了. */ // int 类型默认...
fmt.Printf("Server error: %v\n", err) } */}funcserveSSE(s*server.MCPServer)error{ctx,stop:=signal.NotifyContext(context.Background(),syscall.SIGINT,syscall.SIGTERM)deferstop()srv:=server.NewSSEServer(s)mux:=http.NewServeMux()mux.Handle("/sse",authMiddleware(srv))mux.Handle("/message",...
圆括号 1. 函数/方法 中的 传参 与 返回值 func add(x,y int) (int,error){ return x+y, nil } 2.结构体 中的方法 接收者 type Person struct { Name string } func (p *Person) String() stri...
func (c *bkClient) Do(r *http.Request) (*http.Response, error) { r.Header.Set("X-BK-TOKEN", token) return http.DefaultClient.Do(r) } // 创建自定义的 metric var ( // counter counter = prometheus.NewCounter(prometheus.CounterOpts{ ...
Compress the data, that is, the compression function and the custom encryption and tls|kcp can be used in combination, and the compression is divided into two parts. Part of it is local (-m) compression transmission, and part is whether the transmission with the upstream (-M) is compressed...
Rust，看了 Rust 的错误处理，也是可能出错的函数后面需要模式匹配 Result。这种方式与 Go 返回 error ...
In the program above, we check whether the radius is less than zero in line no. 10. If so we return zero for the area along with the corresponding error message. If the radius is greater than 0, then the area is calculated andnilis returned as the error in line no. 13. ...
The problem with#38736is that it silently changes the behavior of programs on Windows. Whereexec.Command("prog")previously found and ran.\prog.exe, it would now either silently switch to aprog.exefrom the PATH (surprise!) or return an error thatprogcould not be found (even though it use...
Go is a big project that driven by a tiny group of people and the crowd of wisdom from the language user community. Here are some core committers to the project that you might interest in follow their excellent work. By listening to the talks held by these people, you could learn more ...