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|
package main
import (
"fmt"
)
func interfaceAsInts() {
var a interface{}
b := 2
c := 3
a = []int{b, c}
d, ok := a.([]int)
if !ok {
println("nope")
return
}
for _, v := range d {
fmt.Println(v)
}
}
func interfaceAsInterfaces() {
var a, b, c interface{}
b = 2
c = 3
a = []interface{}{b, c}
d, ok := a.([]interface{})
if !ok {
println("nope")
return
}
fmt.Println(d)
for _, v := range d {
fmt.Println(v)
}
}
func main() {
interfaceAsInts()
interfaceAsInterfaces()
}
// Output:
// 2
// 3
// [2 3]
// 2
// 3
|
