commands: Added 'Description' fields to Command, Argument, Option

commands/argument.go

@@ -12,4 +12,5 @@ type Argument struct {
 	Type        ArgumentType
 	Required    bool
 	Variadic    bool
+	Description string
 }

commands/command.go

@@ -28,7 +28,9 @@ type Marshaller func(Response) ([]byte, error)
 // Command is a runnable command, with input arguments and options (flags).
 // It can also have Subcommands, to group units of work into sets.
 type Command struct {
+	Description string
 	Help        string
+
 	Options     []Option
 	Arguments   []Argument
 	Run         Function

commands/option.go

@@ -16,6 +16,7 @@ const (
 type Option struct {
 	Names       []string     // a list of unique names to
 	Type        reflect.Kind // value must be this type
+	Description string       // a short string to describe this option
 
 	// TODO: add more features(?):
 	//Default interface{} // the default value (ignored if `Required` is true)
@@ -30,7 +31,8 @@ const (
 
 // options that are used by this package
 var globalOptions = []Option{
-	Option{[]string{EncShort, EncLong}, String},
+	Option{[]string{EncShort, EncLong}, String,
+		"The encoding type the output should be encoded with (json, xml, or text)"},
 }
 
 // the above array of Options, wrapped in a Command