bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

explicitly show how iterating over .. fails

Browse source 
I've also removed the `main()` wrapper, which I believe is extraneous.
LMK if that's incorrect.
This commit is contained in:
Matthew Piziak 2016-08-15 18:46:19 -04:00
parent 11f8805887
commit 377ae44cf2
1 changed files with 10 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

18
src/libcore/ops.rs
View file

@ -1463,15 +1463,17 @@ pub trait IndexMut<Idx: ?Sized>: Index<Idx> {
/// # Examples
///
/// ```
/// fn main() {
/// assert_eq!((..), std::ops::RangeFull);
/// assert_eq!((..), std::ops::RangeFull);
///
/// let arr = [0, 1, 2, 3];
/// assert_eq!(arr[ .. ], [0,1,2,3]); // RangeFull
/// assert_eq!(arr[ ..3], [0,1,2 ]);
/// assert_eq!(arr[1.. ], [ 1,2,3]);
/// assert_eq!(arr[1..3], [ 1,2 ]);
/// }
/// // for i in .. {
/// // println!("This errors because .. has no Iterator impl");
/// // }
///
/// let arr = [0, 1, 2, 3];
/// assert_eq!(arr[ .. ], [0,1,2,3]); // RangeFull
/// assert_eq!(arr[ ..3], [0,1,2 ]);
/// assert_eq!(arr[1.. ], [ 1,2,3]);
/// assert_eq!(arr[1..3], [ 1,2 ]);
/// ```
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
#[stable(feature = "rust1", since = "1.0.0")]