shortcut push-pops; don't env-copy functions

1 files changed, 1 insertions, 0 deletions

diff --git a/var.hpp b/var.hpp
index 1ffb8b8..3a5665c 100644
--- a/var.hpp
+++ b/var.hpp
@@ -36,6 +36,7 @@ struct Var {
 
     static Var lookup(const std::string& name, int skip = 0);
     static Var lookupLocal(const std::string& name);
+    static void rename(const std::string& old, const std::string& neww, int skip = 0);
     static void pushScope();
     static void popScope();
     static Var& addGlobal(const std::string& name, Var var);