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- package main
- import "fmt"
- func main() {
- var i interface{} = "hello"
- s := i.(string)
- fmt.Println(s)
- s, ok := i.(string)
- fmt.Println(s, ok)
- f, ok := i.(float64)
- fmt.Println(f, ok)
- f = i.(float64) // panic
- fmt.Println(f)
- }
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