From cf849b8b54cfe6cc15976640a30ceb95aee054b2 Mon Sep 17 00:00:00 2001
From: Daniel Larimer <dlarimer@invictus-innovations.com>
Date: Tue, 10 Mar 2015 09:14:33 -0400
Subject: [PATCH] test code

---
 tests/api.cpp | 38 +++++++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

diff --git a/tests/api.cpp b/tests/api.cpp
index 24e1cfa..bf62734 100644
--- a/tests/api.cpp
+++ b/tests/api.cpp
@@ -1,6 +1,6 @@
 #include <fc/api.hpp>
 #include <fc/log/logger.hpp>
-#include <fc/rpc/api_server.hpp>
+//#include <fc/rpc/api_server.hpp>
 
 class calculator
 {
@@ -11,6 +11,8 @@ class calculator
 
 FC_API( calculator, (add)(sub) )
 
+using namespace fc;
+
 class some_calculator
 {
    public:
@@ -24,6 +26,29 @@ class variant_calculator
       double sub( fc::variant a, fc::variant b ) { return a.as_double()-b.as_double(); }
 };
 
+template<typename R, typename Arg0, typename ... Args>
+//std::function<R(Args...)> bind_first_arg( const std::function<R(Arg0,Args...)>& f, Arg0 ao )
+std::function<R(Args...)> bind_first_arg( const std::function<R(Arg0,Args...)>& f, Arg0 ao )
+{
+   return [=]( Args... args ) { return f( ao, args... ); };
+}
+
+template<typename R, typename Arg0>
+R call_generic( const std::function<R(Arg0)>& f, variants::const_iterator a0, variants::const_iterator e )
+{
+   return f(a0->as<Arg0>());
+}
+template<typename R, typename Arg0, typename ... Args>
+R call_generic( const std::function<R(Arg0,Args...)>& f, variants::const_iterator a0, variants::const_iterator e )
+{
+   return  call_generic<R,Args...>( bind_first_arg( f, a0->as<Arg0>() ), a0+1, e );
+}
+
+template<typename R, typename ... Args>
+std::function<variant(const fc::variants&)> to_generic( const std::function<R(Args...)>& f )
+{
+   return [=]( const variants& args ) { return call_generic( f, args.begin(), args.end() ); };
+}
 
 int main( int argc, char** argv )
 {
@@ -39,7 +64,14 @@ int main( int argc, char** argv )
    wdump( (api_nested_calc->sub(5,4)) );
    wdump( (api_nested_calc->sub(5,4)) );
 
-   fc::api_server server;
-   server.register_api( api_calc );
+   variants v = { 4, 5 };
+   auto g = to_generic( api_calc->add );
+   auto r = call_generic( api_calc->add, v.begin(), v.end() );
+   wdump((r));
+   wdump( (g(v)) );
+
+
+ //  fc::api_server server;
+ //  server.register_api( api_calc );
    return 0;
 }