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-rw-r--r--src/libsyntax/ext/pipes/ast_builder.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/ext/pipes/ast_builder.rs b/src/libsyntax/ext/pipes/ast_builder.rs
index 343ce4b039b..8a5b8a127d0 100644
--- a/src/libsyntax/ext/pipes/ast_builder.rs
+++ b/src/libsyntax/ext/pipes/ast_builder.rs
@@ -66,7 +66,7 @@ impl @ast::path: append_types {
     }
 }
 
-trait ext_ctxt_ast_builder {
+pub trait ext_ctxt_ast_builder {
     fn ty_param(id: ast::ident, +bounds: ~[ast::ty_param_bound])
         -> ast::ty_param;
     fn arg(name: ident, ty: @ast::Ty) -> ast::arg;