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| author | Steven Allen <steven@stebalien.com> | 2015-05-20 17:19:57 -0400 |
|---|---|---|
| committer | Steven Allen <steven@stebalien.com> | 2015-05-20 17:19:57 -0400 |
| commit | 74fadfaeeaa31ec8ef92622c009131990dd9a936 (patch) | |
| tree | 19f184d9944196bc5a1118ddd4c10473853beef6 | |
| parent | d7185dcff12a6963535e73ed4b0f392da236068c (diff) | |
| download | rust-74fadfaeeaa31ec8ef92622c009131990dd9a936.tar.gz rust-74fadfaeeaa31ec8ef92622c009131990dd9a936.zip | |
Change "must" to "may only" in macro future proofing rules.
They don't have to be followed by anything.
| -rw-r--r-- | src/doc/trpl/macros.md | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/doc/trpl/macros.md b/src/doc/trpl/macros.md index cc7d9b595f9..a45d4824f41 100644 --- a/src/doc/trpl/macros.md +++ b/src/doc/trpl/macros.md @@ -476,9 +476,9 @@ which syntactic form it matches. There are additional rules regarding the next token after a metavariable: -* `expr` variables must be followed by one of: `=> , ;` -* `ty` and `path` variables must be followed by one of: `=> , : = > as` -* `pat` variables must be followed by one of: `=> , =` +* `expr` variables may only be followed by one of: `=> , ;` +* `ty` and `path` variables may only be followed by one of: `=> , : = > as` +* `pat` variables may only be followed by one of: `=> , =` * Other variables may be followed by any token. These rules provide some flexibility for Rust’s syntax to evolve without |