Macro stomp_parser::frame_parser

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