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authorJeffrey Seyfried <jeffrey.seyfried@gmail.com>2017-12-06 10:50:55 -0800
committerJeffrey Seyfried <jeffrey.seyfried@gmail.com>2017-12-09 17:22:07 -0800
commit9c7969d3df6ce1cd5370eea32f18a08dc1f0850d (patch)
treecb7d5f2d7ed8deaba3a2320a0ea8a4cc1000b600 /src/libsyntax_ext/lib.rs
parent8db163e53dab4f188a60bf24b4d6ebeb1ea5cab1 (diff)
downloadrust-9c7969d3df6ce1cd5370eea32f18a08dc1f0850d.tar.gz
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Use hygiene to access the injected crate (`core` or `std`) from builtin macros.
Diffstat (limited to 'src/libsyntax_ext/lib.rs')
-rw-r--r--src/libsyntax_ext/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax_ext/lib.rs b/src/libsyntax_ext/lib.rs
index 42bbb4ae0cb..82d6ee5afa0 100644
--- a/src/libsyntax_ext/lib.rs
+++ b/src/libsyntax_ext/lib.rs
@@ -16,6 +16,7 @@
 #![deny(warnings)]
 
 #![feature(proc_macro_internals)]
+#![feature(decl_macro)]
 
 extern crate fmt_macros;
 #[macro_use]