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| author | bors <bors@rust-lang.org> | 2014-09-11 00:05:41 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2014-09-11 00:05:41 +0000 |
| commit | 09abbbdafc08654b78c8529c1a0c03d628bb2d91 (patch) | |
| tree | aec288636a7bf0223e6965de20933b31fd661219 /src/doc | |
| parent | 9f6d27c39f48895577eff1b9b42ab0e1d8e2a4a8 (diff) | |
| parent | bf274bc18bcbfea1377c5c64ae0cc099b03d9beb (diff) | |
auto merge of #16866 : P1start/rust/tuple-indexing, r=brson
This allows code to access the fields of tuples and tuple structs behind the feature gate `tuple_indexing`: ```rust #![feature(tuple_indexing)] let x = (1i, 2i); assert_eq!(x.1, 2); struct Point(int, int); let origin = Point(0, 0); assert_eq!(origin.0, 0); assert_eq!(origin.1, 0); ``` Implements [RFC 53](https://github.com/rust-lang/rfcs/blob/master/active/0053-tuple-accessors.md). Closes #16950.
Diffstat (limited to 'src/doc')
| -rw-r--r-- | src/doc/rust.md | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/doc/rust.md b/src/doc/rust.md index eb97a75e766..fb2407e5163 100644 --- a/src/doc/rust.md +++ b/src/doc/rust.md @@ -2555,6 +2555,8 @@ The currently implemented features of the reference compiler are: which is considered wildly unsafe and will be obsoleted by language improvements. +* `tuple_indexing` - Allows use of tuple indexing (expressions like `expr.0`) + If a feature is promoted to a language feature, then all existing programs will start to receive compilation warnings about #[feature] directives which enabled the new feature (because the directive is no longer necessary). However, if |