utilities/src/repr_c.rs

#[macro_export]
macro_rules! impl_reprc {
    (
        $(#[$meta: meta])*
        $v:vis struct $struct_name:ident {
            $( $(#[$field_meta:meta])* $vm:vis $member:ident : $t:ty, )+
        }
    ) => {
        #[repr(C)]
        #[derive(Clone, DeriveReprC)]
        $(#[$meta])*
        $v struct $struct_name {
            $(
                $( #[$field_meta] )*
                $vm $member: $t,
            )+
        }
    };
}

pub unsafe trait ReprC {
    fn is_repr_c(&self) -> bool;
}