Macro combu::cmd

macro_rules! cmd {
    ($name : ident =>
 [action => $action : expr, authors => $authors : expr, copyright =>
  $copyright : expr, license => $license : expr, description => $desc : expr,
  usage => $usage : expr, local_flags => $l_flags : expr, commcon_flags =>
  $c_flags : expr, alias => $alias : expr, version => $ver : expr, sub => $sub
  : expr, help => $help : expr]) => { ... };
}

create cmd helper with full detail