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Diffstat (limited to 'src/doc')
| -rw-r--r-- | src/doc/unstable-book/src/language-features/macro-lifetime-matcher.md | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/doc/unstable-book/src/language-features/macro-lifetime-matcher.md b/src/doc/unstable-book/src/language-features/macro-lifetime-matcher.md new file mode 100644 index 00000000000..5b585d7f041 --- /dev/null +++ b/src/doc/unstable-book/src/language-features/macro-lifetime-matcher.md @@ -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 + +------------------------ |