Macro dep_obj::dep_obj

macro_rules! dep_obj {
    (
        $(#[$attr:meta])* $vis:vis struct $name:ident
        $(< $( $lt:tt $( : $clt:tt $(+ $dlt:tt )* )? ),+ $(,)?>)?
        as $id:ty : $ty:ident {
            $($(
               $field:ident $delim:tt $field_ty:ty $(= $field_val:expr)?
            ),+ $(,)?)?
        }
    ) => { ... };
    (
        @impl $builder:ident [$(#[$attr:meta])*] ($vis:vis) $name:ident as $id:ty : $ty:ident ;
        [$($s:tt)*]
        [$($p:tt)*]
        [$($c:tt)*]
        [$($l:tt)*]
        [$field:ident : $field_ty:ty = $field_val:expr $(, $($other_fields:tt)+)?];
        $([ $($g:tt)+ ], [ $($r:tt)+ ])?
    ) => { ... };
    (
        @impl $builder:ident [$(#[$attr:meta])*] ($vis:vis) $name:ident as $id:ty : $ty:ident ;
        [$($s:tt)*]
        [$($p:tt)*]
        [$($c:tt)*]
        [$($l:tt)*]
        [$field:ident yield $field_ty:ty $(, $($other_fields:tt)+)?];
        $([ $($g:tt)+ ], [ $($r:tt)+ ])?
    ) => { ... };
    (
        @impl $builder:ident [$(#[$attr:meta])*] ($vis:vis) $name:ident as $id:ty : $ty:ident ;
        [$($s:tt)*] [$($p:tt)*] [$($c:tt)*] [$($l:tt)*] [];
        $([ $($g:tt)+ ], [ $($r:tt)+ ])?
    ) => { ... };
}