feat add rxcpp

3party/rxcpp/rx-composite_exception.hpp

@@ -0,0 +1,34 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+
+#pragma once
+
+#if !defined(RXCPP_SOURCES_RX_COMPOSITE_EXCEPTION_HPP)
+#define RXCPP_SOURCES_RX_COMPOSITE_EXCEPTION_HPP
+
+#include "rx-includes.hpp"
+
+namespace rxcpp {
+
+struct composite_exception : std::exception {
+
+    typedef std::vector<rxu::error_ptr> exception_values;
+
+    virtual const char *what() const RXCPP_NOEXCEPT override {
+        return "rxcpp composite exception";
+    }
+
+    virtual bool empty() const {
+        return exceptions.empty();
+    }
+
+    virtual composite_exception add(rxu::error_ptr exception_ptr) {
+        exceptions.push_back(exception_ptr);
+        return *this;
+    }
+
+    exception_values exceptions;
+};
+
+}
+
+#endif