Add additional args

add predition of directories
add ability for prediction union

1 files changed, 6 insertions, 0 deletions

diff --git a/command.go b/command.go
index 9292a89..e2f5eb4 100644
--- a/command.go
+++ b/command.go
@@ -7,6 +7,7 @@ type Flags map[string]Predicate
 type Command struct {
 	Sub   Commands
 	Flags Flags
+	Args  Predicate
 }
 
 // options returns all available complete options for the given command
@@ -38,6 +39,11 @@ func (c *Command) options(args []string) (options []Option, only bool) {
 		options = append(options, Arg(flag))
 	}
 
+	// add additional expected argument of the command
+	if c.Args.Expects {
+		options = append(options, c.Args.predict()...)
+	}
+
 	return
 }