Remove examples/cpp/comm/futures.

It is intermittently failing due to an apparent bug in some versions of
boost::async.

examples/cpp/comm/CMakeLists.txt

@@ -1,7 +1,6 @@
 add_subdirectory (epoxy_io_service)
 add_subdirectory (error)
 add_subdirectory (event)
-add_subdirectory (futures)
 add_subdirectory (generic)
 add_subdirectory (layer)
 add_subdirectory (logging)

examples/cpp/comm/futures/CMakeLists.txt

@@ -1,4 +0,0 @@
-add_bond_test (futures futures.bond futures.cpp COMM)
-
-# TODO: needed for lock, should be abstracted away in platform specific stuff
-target_compile_definitions (futures PRIVATE -D_WIN32_WINNT=0x0600 -D_ENABLE_ATOMIC_ALIGNMENT_FIX)

examples/cpp/comm/futures/futures.bond

@@ -1,17 +0,0 @@
-namespace examples.futures
-
-struct Param
-{
-    0: uint32 n;
-    1: string str;
-}
-
-struct Result
-{
-    0: vector<Param> v;
-}
-
-service Service
-{
-    Result Method(Param);
-}

examples/cpp/comm/futures/futures.cpp

@@ -1,63 +0,0 @@
-//
-// This is an example of a service and proxy that exercises futures, both Boost and STL
-//
-
-// Explicitly enable Boost futures
-#define BOOST_THREAD_VERSION 4
-
-// Include auto-generated files
-#include "futures_reflection.h"
-#include "futures_comm.h"
-
-#ifdef _MSC_VER
-    #pragma warning(push)
-    #pragma warning(disable: 4100) // boost/thread/future.hpp(410): warning C4100: 'lk' : unreferenced formal parameter
-    #pragma warning(disable: 4457) // boost/thread/future.hpp(4770): warning C4457: declaration of 'policy' hides function parameter
-#include <boost/thread/future.hpp>
-    #pragma warning(pop)
-#else
-#include <boost/thread/future.hpp>
-#endif
-
-#include <future>
-
-// Include preferred transport
-#include <bond/comm/transport/epoxy.h>
-
-using namespace examples::futures;
-
-// Implement service using Boost futures
-struct ServiceImpl : Service::Using<boost::promise>
-{
-    boost::future<bond::comm::message<Result>>
-    Method(const bond::comm::payload<Param>& input) override
-    {
-        return boost::async([=]() -> bond::comm::message<Result>
-            {
-                Result result;
-                result.v.emplace_back(input.value().Deserialize());
-                return std::move(result);
-            });
-    }
-};
-
-int main()
-{
-    bond::comm::SocketAddress loopback("127.0.0.1", 25188);
-    bond::comm::epoxy::EpoxyTransport transport;
-
-    auto server = transport.Bind(loopback, boost::make_shared<ServiceImpl>());
-
-    // Use proxy with STL futures
-    Service::Proxy::Using<std::promise> proxy(transport.Connect(loopback));
-
-    Param param;
-    param.n = 123;
-    param.str = "test";
-
-    Result result = proxy.Method(param).get().value().Deserialize();
-    assert(1 == result.v.size());
-    assert(param == result.v.front());
-
-    return 0;
-}