// Declare variables and their defaults
var stringFlag = "defaultValue"

// Add a flag
flaggy.String(&stringFlag, "f", "flag", "A test string flag")

// Parse the flag
flaggy.Parse()

// Use the flag
print(stringFlag)

// Declare variables and their defaults
var stringFlag = "defaultValue"

// Create the subcommand
subcommand := flaggy.NewSubcommand("subcommandExample")

// Add a flag to the subcommand
subcommand.String(&stringFlag, "f", "flag", "A test string flag")

// Add the subcommand to the parser at position 1
flaggy.AttachSubcommand(subcommand, 1)

// Parse the subcommand and all flags
flaggy.Parse()

// Use the flag
print(stringFlag)

// Declare variables and their defaults
var stringFlagF = "defaultValueF"
var intFlagT = 3
var boolFlagB bool

// Create the subcommands
subcommandExample := flaggy.NewSubcommand("subcommandExample")
nestedSubcommand := flaggy.NewSubcommand("nestedSubcommand")

// Add a flag to both subcommands
subcommandExample.String(&stringFlagF, "t", "testFlag", "A test string flag")
nestedSubcommand.Int(&intFlagT, "f", "flag", "A test int flag")

// add a global bool flag for fun
flaggy.Bool(&boolFlagB, "y", "yes", "A sample boolean flag")

// attach the nested subcommand to the parent subcommand at position 1
subcommandExample.AttachSubcommand(nestedSubcommand, 1)
// attach the base subcommand to the parser at position 1
flaggy.AttachSubcommand(subcommandExample, 1)

// Parse everything, then use the flags and trailing arguments
flaggy.Parse()
print(stringFlagF)
print(intFlagT)
print(boolFlagB)
print(flaggy.TrailingArguments[0])

package main

import "github.com/integrii/flaggy"

// Make a variable for the version which will be set at build time.
var version = "unknown"

// Keep subcommands as globals so you can easily check if they were used later on.
var mySubcommand *flaggy.Subcommand

// Setup the variables you want your incoming flags to set.
var testVar string

// If you would like an environment variable as the default for a value, just populate the flag
// with the value of the environment by default.  If the flag corresponding to this value is not
// used, then it will not be changed.
var myVar = os.Getenv("MY_VAR")


func init() {
  // Set your program's name and description.  These appear in help output.
  flaggy.SetName("Test Program")
  flaggy.SetDescription("A little example program")

  // You can disable various things by changing bools on the default parser
  // (or your own parser if you have created one).
  flaggy.DefaultParser.ShowHelpOnUnexpected = false

  // You can set a help prepend or append on the default parser.
  flaggy.DefaultParser.AdditionalHelpPrepend = "http://github.com/integrii/flaggy"
  
  // Add a flag to the main program (this will be available in all subcommands as well).
  flaggy.String(&testVar, "tv", "testVariable", "A variable just for testing things!")

  // Create any subcommands and set their parameters.
  mySubcommand = flaggy.NewSubcommand("mySubcommand")
  mySubcommand.Description = "My great subcommand!"
  
  // Add a flag to the subcommand.
  mySubcommand.String(&myVar, "mv", "myVariable", "A variable just for me!")

  // Set the version and parse all inputs into variables.
  flaggy.SetVersion(version)
  flaggy.Parse()
}

func main(){
    if mySubcommand.Used {
      ...
    }
}