Rollup merge of #26787 - tshepang:tuple-usage, r=steveklabnik

This commit is contained in:
Steve Klabnik 2015-07-05 07:35:15 -04:00
commit ec37d456aa

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@ -3328,10 +3328,13 @@ An example of a tuple type and its use:
```
type Pair<'a> = (i32, &'a str);
let p: Pair<'static> = (10, "hello");
let p: Pair<'static> = (10, "ten");
let (a, b) = p;
assert!(b != "world");
assert!(p.0 == 10);
assert_eq!(a, 10);
assert_eq!(b, "ten");
assert_eq!(p.0, 10);
assert_eq!(p.1, "ten");
```
For historical reasons and convenience, the tuple type with no elements (`()`)