With different types in Go

In Go, arrays can only have a single type of element. However, we can use the interface{} type as the element type, which allows us to specify an array with different types. Here's an example:

package main
import "fmt"
func main() {

   var arr [3]interface{}

   arr[0] = "Hello"

   arr[1] = 123

   arr[2] = true

   

   fmt.Println(arr)

}

In this example, we create an array arr with three elements, each having the interface{} type. We then assign a string, an integer, and a boolean value to the elements respectively. Finally, we print out the array using fmt.Println() which will display [Hello 123 true].

Note that when trying to access the elements of this array, we will need to use a type assertion to convert the element to the expected type. For example, to retrieve the string element at index 0, we would do:

``
element, ok := arr[0].(string)
if ok {
fmt.Println("Element 0:", element)
} else {
fmt.Println("Element 0 is not a string")
}
`

In this case, element, ok := arr[0].(string) is a type assertion that tries to extract the value of the first element as a string. The ok value will be true if the conversion was successful and false` otherwise. The if-else statement is then used to handle each case appropriately.