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demonstrate RHS != Self use cases for Add and Sub

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remove extra `../`s
This commit is contained in:
Matthew Piziak 2016-08-18 15:10:57 -04:00
parent 528c6f3ed6
commit 89f7e92698
1 changed files with 12 additions and 0 deletions
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12
src/libcore/ops.rs
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@ -212,6 +212,12 @@ macro_rules! forward_ref_binop {
/// Point { x: 3, y: 3 });
/// }
/// ```
///
/// Note that `RHS = Self` by default, but this is not mandatory. For example,
/// [std::time::SystemTime] implements `Add<Duration>`, which permits
/// operations of the form `SystemTime = SystemTime + Duration`.
///
/// [std::time::SystemTime]: ../time/struct.SystemTime.html
#[lang = "add"]
#[stable(feature = "rust1", since = "1.0.0")]
pub trait Add<RHS=Self> {
@ -279,6 +285,12 @@ add_impl! { usize u8 u16 u32 u64 isize i8 i16 i32 i64 f32 f64 }
/// Point { x: 1, y: 0 });
/// }
/// ```
///
/// Note that `RHS = Self` by default, but this is not mandatory. For example,
/// [std::time::SystemTime] implements `Sub<Duration>`, which permits
/// operations of the form `SystemTime = SystemTime - Duration`.
///
/// [std::time::SystemTime]: ../time/struct.SystemTime.html
#[lang = "sub"]
#[stable(feature = "rust1", since = "1.0.0")]
pub trait Sub<RHS=Self> {