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 vote117 views1 answer
Golang set env var
Go
0 vote129 views1 answer
Lowwer in go
Go
6 votes131 views1 answer
Never back down
Go
0 vote158 views2 answers
Compiler version at runtime
Go
0 vote133 views1 answer
Golang string uppercase
Go
5 votes90 views2 answers
Golang slice initialization
Go
9 votes167 views2 answers
Go create list length
Go
0 vote132 views1 answer
Microsoft OneNote vs google keep
Go
11 votes198 views3 answers
Go online compiler
Go
3 votes131 views1 answer
Big tiddy goth
Go