// :glot, package main import "fmt" func main() { var a1 = [2]byte{3, 8} // array of 2 bytes // when using [...] size will be deduced from { ... } a2 := [...]int{1, 2, 3} // array of 3 integers fmt.Printf("Size of a1: %d.\nSize of a2: %d\n", len(a1), len(a2)) }