diff options
| -rw-r--r-- | src/libcollections/range.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/libcollections/range.rs b/src/libcollections/range.rs index 4e39191b472..1badc72aed0 100644 --- a/src/libcollections/range.rs +++ b/src/libcollections/range.rs @@ -23,6 +23,22 @@ pub trait RangeArgument<T> { /// Start index (inclusive) /// /// Return start value if present, else `None`. + /// + /// # Examples + /// + /// ``` + /// #![feature(collections)] + /// #![feature(collections_range)] + /// + /// extern crate collections; + /// + /// # fn main() { + /// use collections::range::RangeArgument; + /// + /// assert_eq!((..10).start(), None); + /// assert_eq!((3..10).start(), Some(&3)); + /// # } + /// ``` fn start(&self) -> Option<&T> { None } @@ -30,6 +46,22 @@ pub trait RangeArgument<T> { /// End index (exclusive) /// /// Return end value if present, else `None`. + /// + /// # Examples + /// + /// ``` + /// #![feature(collections)] + /// #![feature(collections_range)] + /// + /// extern crate collections; + /// + /// # fn main() { + /// use collections::range::RangeArgument; + /// + /// assert_eq!((3..).end(), None); + /// assert_eq!((3..10).end(), Some(&10)); + /// # } + /// ``` fn end(&self) -> Option<&T> { None } |