Rollup merge of #66226 - lzutao:asm-usage-link, r=Centril

add link to unstable book for asm! macro r? @Centril
2019-11-09 07:18:35 +01:00 · 2019-11-09 07:18:35 +01:00 · 3ef975d4be
commit 3ef975d4be
parent 648e8bfe34 3db1005c9d
1 changed files with 4 additions and 0 deletions
--- a/src/libcore/macros.rs
+++ b/src/libcore/macros.rs
@ -1274,6 +1274,10 @@ macro_rules! assert {
    }

    /// Inline assembly.
+    ///
+    /// Read the [unstable book] for the usage.
+    ///
+    /// [unstable book]: ../unstable-book/library-features/asm.html
    #[unstable(feature = "asm", issue = "29722",
               reason = "inline assembly is not stable enough for use and is subject to change")]
    #[rustc_builtin_macro]