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

2 votes330 views1 answer
Do animals go to heaven
Go
1 vote366 views1 answer
Interface to array golang
Go
0 vote322 views1 answer
Action bar not showing in google maps activity
Go
0 vote318 views1 answer
While in golang
Go
0 vote353 views2 answers
Go mod clean cache
Go
0 vote375 views1 answer
Go count occurrences of a substring
Go
0 vote354 views1 answer
Go lang interation stack overflow
Go
8 votes369 views1 answer
Golang append to list
Go
8 votes440 views1 answer
Golang delete element from array
Go
0 vote354 views2 answers
Link for a search result from google
Go