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Diffstat (limited to 'src/eval_env.cc')
-rw-r--r-- | src/eval_env.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/eval_env.cc b/src/eval_env.cc index e9b6c43..796a326 100644 --- a/src/eval_env.cc +++ b/src/eval_env.cc @@ -16,6 +16,8 @@ #include "eval_env.h" +using namespace std; + string BindingEnv::LookupVariable(const string& var) { map<string, string>::iterator i = bindings_.find(var); if (i != bindings_.end()) |