Macro capstone::define_impl_bitmask

macro_rules! define_impl_bitmask {
    (impl $struct : ident < $($impl_lifetime : lifetime), * > ; $mask_getter :
 ident : $mask_getter_ty : ty = { $get_mask : expr } test_mod = $test_mod :
 ident ; $($(#[$attr : meta]) * => $getter : ident = $mask_constant : ident ;)
 *) => { ... };
}

Defines getters for a bitmask

mask_constants must be unsigned integers with exactly one bit set to 1