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

0 vote361 views1 answer
Unsupported data type & gorm
Go
0 vote371 views1 answer
Create json in go
Go
13 votes413 views1 answer
Cap theorem
Go
0 vote304 views1 answer
Golang byte slice to reader
Go
2 votes308 views1 answer
Golang string to time
Go
0 vote331 views1 answer
Mongo object references in mongoose
Go
0 vote331 views1 answer
Golang interface pointer receiver
Go
25 votes442 views4 answers
Golang convert string to int64
Go
0 vote294 views1 answer
Switch case google script
Go
0 vote322 views1 answer
For-Range loop in golang
Go