/// ```
#[lang = "eq"]
#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(alias = "==")]
+#[doc(alias = "!=")]
#[rustc_on_unimplemented = "can't compare `{Self}` with `{Rhs}`"]
pub trait PartialEq<Rhs: ?Sized = Self> {
/// This method tests for `self` and `other` values to be equal, and is used
/// }
/// impl Eq for Book {}
/// ```
+#[doc(alias = "==")]
+#[doc(alias = "!=")]
#[stable(feature = "rust1", since = "1.0.0")]
pub trait Eq: PartialEq<Self> {
// this method is used solely by #[deriving] to assert
/// }
/// ```
#[lang = "ord"]
+#[doc(alias = "<")]
+#[doc(alias = ">")]
+#[doc(alias = "<=")]
+#[doc(alias = ">=")]
#[stable(feature = "rust1", since = "1.0.0")]
pub trait Ord: Eq + PartialOrd<Self> {
/// This method returns an `Ordering` between `self` and `other`.
/// ```
#[lang = "partial_ord"]
#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(alias = ">")]
+#[doc(alias = "<")]
+#[doc(alias = "<=")]
+#[doc(alias = ">=")]
#[rustc_on_unimplemented = "can't compare `{Self}` with `{Rhs}`"]
pub trait PartialOrd<Rhs: ?Sized = Self>: PartialEq<Rhs> {
/// This method returns an ordering between `self` and `other` values if one exists.