diff options
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/macros.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstd/macros.rs b/src/libstd/macros.rs index 0917346213f..b7afd12d8e5 100644 --- a/src/libstd/macros.rs +++ b/src/libstd/macros.rs @@ -365,6 +365,9 @@ pub mod builtin { /// stringification of all the tokens passed to the macro. No restrictions /// are placed on the syntax of the macro invocation itself. /// + /// Note that the expanded results of the input tokens may change in the + /// future. You should be careful if you rely on the output. + /// /// # Examples /// /// ``` |