From bb6e6923f25841874b6a915d234d884ddd4c92dd Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 11 Apr 2019 23:04:13 +0200
Subject: Add environment variable NIX_SHOW_SYMBOLS for dumping the symbol
 table

---
 src/libexpr/symbol-table.hh | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/libexpr/symbol-table.hh')

diff --git a/src/libexpr/symbol-table.hh b/src/libexpr/symbol-table.hh
index 44929f7ee..91faea122 100644
--- a/src/libexpr/symbol-table.hh
+++ b/src/libexpr/symbol-table.hh
@@ -75,6 +75,13 @@ public:
     }
 
     size_t totalSize() const;
+
+    template<typename T>
+    void dump(T callback)
+    {
+        for (auto & s : symbols)
+            callback(s);
+    }
 };
 
 }
-- 
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