package cmd import "github.com/spf13/cobra" type ApiCmd struct { *RootCmd } func NewApiCmd() *ApiCmd { return &ApiCmd{NewRootCmd("api")} } func (a *ApiCmd) AddApi(f func(port int) error) { a.Command.RunE = func(cmd *cobra.Command, args []string) error { return f(a.getPortFlag(cmd)) } }