basicwindow/argv.go

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package main
import (
"os"
"github.com/alexflint/go-arg"
)
/*
this parses the command line arguements
this enables command line options from other packages like 'gui' and 'log'
*/
var argv args
type args struct {
Demo string `arg:"positional" help:"this is just a demo"`
}
func (a args) Description() string {
return `
This basicwindow example demonstrates multiple windows
`
}
func init() {
pp := arg.MustParse(&argv)
// for very new users or users unfamilar with the command line, this may help them
if argv.Demo == "version" || argv.Demo == "help" || argv.Demo == "?" {
pp.WriteHelp(os.Stdout)
os.Exit(0)
}
}
func (args) Version() string {
return "basicwindow " + VERSION
}