Type switch types in Golang are judged

This is a creation in Article, where the information may have evolved or changed.

There are also classes in Golang languages that are methods of typeof judging types of javascript

Like what

func (a interface{}) {

First Kind

If Inst,ok:=a. (TYPEA); ok{

Inst. MethodA ()

}

The second Kind

Switch inst:=a. (type) {

Case TYPEA:

Inst. MethodA ()

Default

Fmt. Println ("Unknow")

}

}

A may be of any type

A. (a type) returns two values inst and OK, OK indicates whether this type, OK if Inst is the converted Type

A. (type) type is a keyword combined with a switch case

TypeA (a) is a cast