Interface to int golang

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)
	}
}

Source: goruncode.com

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)  // "" false

Interface to int golang

iAreaId := val.(int)
iAreaId, ok := val.(int) // Alt. non panicking version

Source: stackoverflow.com

Similar codes

-1 vote131 views2 answers
Golang get last element of slice
Go
1 vote137 views1 answer
Go reverse array
Go
1 vote134 views1 answer
What is the update function in godot?
Go
4 votes140 views2 answers
Go maps
Go
0 vote125 views2 answers
Golang default value
Go
3 votes132 views1 answer
How to set logo for website
Go
16 votes248 views6 answers
Never gonna give you up release date
Go
1 vote134 views1 answer
New golang
Go
1 vote119 views2 answers
Golang const iota
Go
0 vote128 views3 answers
Go replace string
Go