Macro impl_define_action_list 

macro_rules! impl_define_action_list {
    (
        $(
            $(#[$meta: meta])*
            $(@[$($my_meta: tt)*])*
            $vis: vis struct $name: ident $body: tt
        )*
    ) => { ... };
    (
        $(#[$enum_meta: meta])*
        $enum_vis: vis enum $enum_name: ident {}
        ,
        $(
            $(#[$meta: meta])*
            $(@[$($my_meta: tt)*])*
            $vis: vis struct $name: ident $body: tt
        )*
    ) => { ... };
}