mirror
/
rustc-dev-guide
mirror of https://github.com/rust-lang/rustc-dev-guide.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Document how to mark features as incomplete (#1151) 

* Document how to mark features as incomplete

This was changed in https://github.com/rust-lang/rust/pull/86446 so that
incompleteness is included in the delcaration.

* Footerify link
This commit is contained in:
Smittyvb 2021-06-29 12:41:13 -04:00 committed by GitHub
parent c62c96ee6f
commit 6641226ba8
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/feature-gates.md
View File

@ -27,6 +27,14 @@ For example:
(active, non_ascii_idents, "1.0.0", Some(55467), None), (active, non_ascii_idents, "1.0.0", Some(55467), None),
``` ```
Features can be marked as incomplete, and trigger the warn-by-default [`incomplete_features` lint]
by setting their type to `incomplete`:
```rust,ignore
/// Allows unsized rvalues at arguments and parameters.
(incomplete, unsized_locals, "1.30.0", Some(48055), None),
```
When added, the current version should be the one for the current nightly. When added, the current version should be the one for the current nightly.
Once the feature is moved to `accepted.rs`, the version is changed to that Once the feature is moved to `accepted.rs`, the version is changed to that
nightly version. nightly version.
@ -99,4 +107,5 @@ updating the declaration!
["Stability in code"]: ./implementing_new_features.md#stability-in-code ["Stability in code"]: ./implementing_new_features.md#stability-in-code
[`incomplete_features` lint]: https://doc.rust-lang.org/rustc/lints/listing/warn-by-default.html#incomplete-features
["Updating the feature-gate listing"]: ./stabilization_guide.md#updating-the-feature-gate-listing ["Updating the feature-gate listing"]: ./stabilization_guide.md#updating-the-feature-gate-listing