flags

package main

import (
	"flag"
	"fmt"

	"github.com/skhal/lab/x/go/flags"
)

func main() {
	fs := flag.NewFlagSet("demo", flag.ContinueOnError)
	foo := new(flags.RequiredString)
	bar := new(flags.RequiredString)
	fs.Var(foo, "foo", "foo is a required string")
	fs.Var(foo, "bar", "bar is a required string")
	fs.Parse([]string{"-foo", "foo-value"})
	fmt.Println("foo:", foo)
	fmt.Println("bar:", bar)
}

Output:
foo: foo-value
bar: <not parsed>