Function URLVar

env/env.go:113–130

URLVar defines a url.URL variable with the specified name ande default value. The argument p points to a url.URL variable in which to store the value of the environment variable.

(p *url.URL, name string, value string)

// in which to store the value of the environment
// variable.
func URLVar(p *url.URL, name string, value string) {
	v, err := url.Parse(value)
	if err != nil {
		panic(err)
	}
	*p = *v
	funcs = append(funcs, func() bool {
		if s := os.Getenv(name); s != "" {
			v, err := url.Parse(s)
			if err != nil {
				log.Println(name, err)
				return false
			}
			*p = *v
		}
		return true
	})
}

// String returns a new string pointer.
// When Parse is called,