The type judgment in Golang

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The type judgment in Golang

Similar to JavaScript in typeof and Java instanceof

such as Var a interface{}

Newa,ok:=a. (string)

If OK is true then the variable A is a string type, and Newa is a variable of type string, the actual value of a

A. (type) returns the type of a, noting that he returned is not a string representing the type of string int that represents a

A. (type) is used in conjunction with switch

Switch vtype:=v. (type) {

Case string:

Xxxxxxxxxxxxxxxxxx

Case INT:

Xxxxxxxxxxxxxxxx

Case XXXXXX:

Xxxxxxxxxxxxx

case []interface{}:

xxxxxxxx

Default

Xxxxxxxxxxxx

}