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authorLzu Tao <taolzu@gmail.com>2019-11-08 15:58:25 +0000
committerLzu Tao <taolzu@gmail.com>2019-11-08 15:58:25 +0000
commit3db1005c9d5731915dc06652fde03902b75ad65a (patch)
tree758a60b2c3ec599c0d7ac5dc55c5ccd64c495ba0
parent76ade3e8ac42cd7a7b7c3c5ef54818ab68e3ebdc (diff)
downloadrust-3db1005c9d5731915dc06652fde03902b75ad65a.tar.gz
rust-3db1005c9d5731915dc06652fde03902b75ad65a.zip
add link to unstable book for asm! macro
-rw-r--r--src/libcore/macros.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libcore/macros.rs b/src/libcore/macros.rs
index 131fb52e2d2..726d187d2e9 100644
--- a/src/libcore/macros.rs
+++ b/src/libcore/macros.rs
@@ -1274,6 +1274,10 @@ pub(crate) mod builtin {
     }
 
     /// 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]