macro_rules! impl_flags {
($(#[$outer:meta])* $vis:vis $name:ident: $bin_type:ty {
$($(#[$inner:ident $($tt:tt)*])* $var:ident = $const:expr),*
$(,)?
}) => { ... };
}
macro_rules! impl_flags {
($(#[$outer:meta])* $vis:vis $name:ident: $bin_type:ty {
$($(#[$inner:ident $($tt:tt)*])* $var:ident = $const:expr),*
$(,)?
}) => { ... };
}