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-rw-r--r--src/libsyntax_ext/lib.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libsyntax_ext/lib.rs b/src/libsyntax_ext/lib.rs
index bdec86158a4..ebec23d0901 100644
--- a/src/libsyntax_ext/lib.rs
+++ b/src/libsyntax_ext/lib.rs
@@ -47,6 +47,8 @@ pub mod proc_macro_registrar;
 // for custom_derive
 pub mod deriving;
 
+pub mod proc_macro_impl;
+
 use std::rc::Rc;
 use syntax::ast;
 use syntax::ext::base::{MacroExpanderFn, NormalTT, MultiModifier, NamedSyntaxExtension};