nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2025-01-12 07:43:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add an entry in the unstable book

Browse Source
This commit is contained in:
Matt Peterson 2017-12-21 15:35:26 -05:00
parent b284419064
commit 0f9c9b66bb
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/doc/unstable-book/src/language-features/macro-lifetime-matcher.md Normal file
View File

@ -0,0 +1,14 @@
# `macro_lifetime_matcher`
The tracking issue for this feature is: [#46895]
With this feature gate enabled, the [list of fragment specifiers][frags] gains one more entry:
* `lifetime`: a lifetime. Examples: 'static, 'a.
A `lifetime` variable may be followed by anything.
[#46895]: https://github.com/rust-lang/rust/issues/46895
[frags]: ../book/first-edition/macros.html#syntactic-requirements
------------------------