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-rw-r--r--src/simple_ast.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/simple_ast.h b/src/simple_ast.h
index de894b4bc..4012ff8f6 100644
--- a/src/simple_ast.h
+++ b/src/simple_ast.h
@@ -1,4 +1,7 @@
+#ifndef __simple_ast_h__
+#define __simple_ast_h__
+
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
@@ -23,7 +26,7 @@
#define errv(str, ...) fprintf(stderr, str "\n", __VA_ARGS__);
#define printErr err
-using namespace cashew;
+namespace cashew {
struct Ref;
struct Value;
@@ -1533,3 +1536,7 @@ public:
}
};
+} // namespace cashew
+
+#endif // __simple_ast_h__
+