golang convert interface to concrete type
type Person struct {
firstName string
lastName string
}
func printIfPerson(object interface{}) {
person, ok := object.(Person)
if ok {
fmt.Printf("Hello %s!n", person.firstName)
}
}golang convert interface to concrete type
type Person struct {
firstName string
lastName string
}
func printIfPerson(object interface{}) {
person, ok := object.(Person)
if ok {
fmt.Printf("Hello %s!n", person.firstName)
}
}golang interface to int
var myInt interface{}
myInt = 8
toInt, ok := myInt.(int)
fmt.Println(toInt, ok) // 8 true
toString, ok := myInt.(string)
fmt.Println(toString, ok) // "" falseinterface to int golang
iAreaId := val.(int)
iAreaId, ok := val.(int) // Alt. non panicking versionCopyright © 2021 Codeinu
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