defaults

defaults example

<tmpl,code=go:cat defaults.go>

package main

import (
	"fmt"

	"github.com/jpillora/opts"
)

type Config struct {
	Foo string
	Bar string
}

func main() {

	c := Config{
		Bar: "moon",
	}

	opts.Parse(&c)

	fmt.Println(c.Foo)
	fmt.Println(c.Bar)
}

``` $ defaults --foo hello ``` ``` plain hello moon ``` ``` $ defaults --help ``` ``` plain

Usage: defaults [options]

Options: --foo, -f --bar, -b default moon --help, -h

</tmpl>