From cb2ed50e1fd609f0c5620ff309def600a6eda57b Mon Sep 17 00:00:00 2001
From: bert hubert <bert.hubert@netherlabs.nl>
Date: Fri, 4 Jan 2019 20:51:04 +0100
Subject: [PATCH] getKey for typed +const correctness

---
 lmdb-safe.hh  | 10 +++++-----
 lmdb-typed.hh |  6 ++++++
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/lmdb-safe.hh b/lmdb-safe.hh
index de5cdc6..6084aa8 100644
--- a/lmdb-safe.hh
+++ b/lmdb-safe.hh
@@ -108,7 +108,7 @@ struct MDBOutVal
 
   template <class T,
           typename std::enable_if<std::is_arithmetic<T>::value,
-                                  T>::type* = nullptr>
+                                  T>::type* = nullptr> const
   T get()
   {
     T ret;
@@ -121,10 +121,10 @@ struct MDBOutVal
 
   template <class T,
             typename std::enable_if<std::is_class<T>::value,T>::type* = nullptr>
-  T get();
+  T get() const;
 
   template<class T>
-  T get_struct()
+  T get_struct() const
   {
     T ret;
     if(d_mdbval.mv_size != sizeof(T))
@@ -137,12 +137,12 @@ struct MDBOutVal
   MDB_val d_mdbval;
 };
 
-template<> inline std::string MDBOutVal::get<std::string>()
+template<> inline std::string MDBOutVal::get<std::string>() const
 {
   return std::string((char*)d_mdbval.mv_data, d_mdbval.mv_size);
 }
 
-template<> inline string_view MDBOutVal::get<string_view>()
+template<> inline string_view MDBOutVal::get<string_view>() const
 {
   return string_view((char*)d_mdbval.mv_data, d_mdbval.mv_size);
 }
diff --git a/lmdb-typed.hh b/lmdb-typed.hh
index 79a103e..78ef80a 100644
--- a/lmdb-typed.hh
+++ b/lmdb-typed.hh
@@ -412,6 +412,12 @@ public:
           return d_key.get<uint32_t>();
       }
 
+      const MDBOutVal& getKey()
+      {
+        return d_key;
+      }
+      
+      
       // transaction we are part of
       Parent* d_parent;
       typename Parent::cursor_t d_cursor;