package main import "fmt" func main() { a := [2]int{4, 5} // array of 2 ints // access element of array fmt.Printf("a[1]: %d\n", a[1]) // set element of array a[1] = 3 // get size of array fmt.Printf("size of array a: %d\n", len(a)) // when using [...] size will be deduced from { ... } a2 := [...]int{4, 8, -1} // array of 3 integers fmt.Printf("size of array a2: %d\n", len(a2)) }