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package main import ("fmt") func main() { a := []int{1, 2, 3} b := []int{4, 5, 6, 7} copy(a, b) fmt.Println("Name\tType\tLength\tCapacity Values") fmt.Printf("a\t%T\t%v\t%v\t %v\n", a, len(a), cap(a), a) }
Name Type Length Capacity Values a []int 3 3 [4 5 6]