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-rw-r--r--src/libexpr/nixexpr.hh8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/libexpr/nixexpr.hh b/src/libexpr/nixexpr.hh
index 3eb4d4cb2bec..af39997c5ec1 100644
--- a/src/libexpr/nixexpr.hh
+++ b/src/libexpr/nixexpr.hh
@@ -6,7 +6,10 @@
 #include <aterm2.h>
 
 #include "aterm-map.hh"
-#include "util.hh"
+#include "types.hh"
+
+
+namespace nix {
 
 
 MakeError(EvalError, Error)
@@ -95,5 +98,8 @@ string showType(Expr e);
 
 string showValue(Expr e);
 
+ 
+}
+
 
 #endif /* !__NIXEXPR_H */