Generic function implementation:
/*
* "generic" is a KIND of types, just like "struct", "map", "interface", etc...
* "T" is a generic type (a type of kind generic).
* var t = T{int} is a value of type T, values of generic types looks like a "normal" type
*/| package main | |
| import "encoding/json" | |
| import "fmt" | |
| import "strconv" | |
| import "reflect" | |
| var A = `[1, "2"]` | |
| var B = `[3, 4]` | |
| var C = `[5, {"a":"b"}]` |
| =========================客户端 | |
| package main | |
| import "net/http" | |
| func main() { | |
| req, _ := http.NewRequest("GET", "http://localhost:12346/aaa", nil) | |
| req.Header.Set("User-Agent", "abc") | |
| http.DefaultClient.Do(req) |
| package main | |
| type I interface { | |
| Foo() | |
| } | |
| type A struct { | |
| } |
| package main | |
| import ( | |
| "fmt" | |
| ) | |
| func merge(a, b []int) (c []int) { | |
| c = make([]int, len(a)+len(b)) | |
| var i, j, k int | |
| fmt.Println("a: ", a) |