/// Given an implementation of `T == U`, implements:
/// - `&T == U`
/// - `T == &U`
///
/// We don't need to add `&T == &U` here because this is implemented automatically.
#[macro_export]
macro_rules! forward_ref_partial_eq {
($t:ty, $u:ty) => {
// `&T == U`
impl<'a> PartialEq<$u> for &'a $t {
#[inline]
fn eq(&self, rhs: &$u) -> bool {
**self == *rhs // Implement via T == U
}
}
// `T == &U`
impl PartialEq<&$u> for $t {
#[inline]
fn eq(&self, rhs: &&$u) -> bool {
*self == **rhs // Implement via T == U
}
}
};
}