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package main
import (
"fmt"
"github.com/docopt/docopt-go"
)
func main() {
usage := `usage: type_assert [-x] [-y]`
arguments, err := docopt.ParseDoc(usage)
if err != nil {
fmt.Println(err)
}
fmt.Println(arguments)
var x = arguments["-x"].(bool) // type assertion required
if x == true {
fmt.Println("x is true")
}
y := arguments["-y"] // no type assertion needed
if y == true {
fmt.Println("y is true")
}
y2 := arguments["-y"]
if y2 == 10 { // this will never be true, a type assertion would have produced a build error
fmt.Println("y is 10")
}
}
|
