Macro impl_eq_ord_hash_proxy

macro_rules! impl_eq_ord_hash_proxy {
    ($type:ty => $($access:tt)*) => { ... };
}

Implements PartialEq, Eq, PartialOrd, Ord, and Hash for a type by proxying the operations to a single field.

impl_eq_ord_hash_proxy!(MyType => .field);