Macro stomp_parser::frame

macro_rules! frame {
    ( $name:ident, $command:ident, $origin:ident $(, $header_name:ident : $header_type:ident )* $(,( $(  $opt_header_name:ident : $opt_header_type:ident $(: $opt_header_default:tt)? ),* ))? $(,[custom: $has_custom:ident])? $(,[body: $has_body:ident])? ) => { ... };
}