func ExampleVarOpt() {
app := cli.App("var", "Var opt example")
// Declare a variable of your type
verbosity := Counter(0)
// Call one of the Var methods (arg, opt, ...) to declare your custom type
app.VarOpt("v", &verbosity, "verbosity level")
app.Action = func() {
// The variable will be populated after the app is ran
fmt.Print(verbosity)
}
app.Run([]string{"app", "-vvvvv"})
// Output: 5
}
func ExampleVarArg() {
app := cli.App("var", "Var arg example")
// Declare a variable of your type
duration := Duration(0)
// Call one of the Var methods (arg, opt, ...) to declare your custom type
app.VarArg("DURATION", &duration, "")
app.Action = func() {
// The variable will be populated after the app is ran
fmt.Print(time.Duration(duration))
}
app.Run([]string{"cp", "1h31m42s"})
// Output: 1h31m42s
}
