Macro gimli::constants::dw

macro_rules! dw {
    ($(#[$meta:meta])* $struct_name:ident($struct_type:ty)
        { $($name:ident = $val:expr),+ $(,)? }
        $(, aliases { $($alias_name:ident = $alias_val:expr),+ $(,)? })?
    ) => { ... };
}