macro_rules! zero_map {
($V:ty) => { ... };
($V:ty, fixed) => { ... };
($V:ty, $H:ty) => { ... };
($V:ty, $H:ty, fixed) => { ... };
}Expand description
Expands to ZeroMap<<V as CollectionMeta>::SelfId, { size_of::<V>() }, V [, H, D]>.