adding examples

Author: me

examples/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.13)
+project(MsgPackExamples)
+
+# Helpers
+set(IS_MSVC       "$<CXX_COMPILER_ID:MSVC>")
+set(IS_NOT_MSVC   "$<NOT:${IS_MSVC}>")
+
+# Boost
+include(FetchContent)
+set(BOOST_INCLUDE_LIBRARIES describe)
+set(BOOST_ENABLE_CMAKE ON)
+FetchContent_Declare(
+  Boost
+  URL "https://github.com/boostorg/boost/releases/download/boost-1.89.0/boost-1.89.0-cmake.tar.xz"
+  URL_HASH MD5=537da0e22b31b8b7185cc44fdde70458
+  DOWNLOAD_EXTRACT_TIMESTAMP true
+)
+FetchContent_MakeAvailable(Boost)
+
+# Examples
+function(add_example target_name)
+  add_executable(${target_name} ${ARGN})
+  target_include_directories(${target_name} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../include)
+  target_compile_options(${target_name} PRIVATE $<${IS_NOT_MSVC}:-Wall -Wextra -Werror>)
+  target_link_options(${target_name} PRIVATE $<$<AND:$<CONFIG:RELEASE>,${IS_NOT_MSVC}>:-s>)
+  target_link_libraries(${target_name} PRIVATE Boost::describe)
+endfunction()
+
+add_example(example1 example1.cpp)
+add_example(example2 example2.cpp)
+add_example(example3 example3.cpp)

examples/example1.cpp

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+#include "msgpack.h"
+
+int main()
+{
+    
+}

examples/example2.cpp

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+#include <cstdint>
+#include "msgpack.h"
+#include "msgpack_sinks.h"
+
+namespace mynamespace
+{
+    struct my_struct
+    {
+        int                 my_int{};
+        float               my_float{};
+        std::string         my_string;
+        std::vector<short>  my_audio;
+    };
+
+    template<SINK_TYPE Sink>
+    void serialize(Sink& out, const my_struct& obj)
+    {
+        using msgpackcpp::serialize;
+        serialize(out, std::tie(obj.my_int, obj.my_float, obj.my_string, obj.my_audio));
+    }
+
+    template<SOURCE_TYPE Source>
+    void deserialize(Source& in, my_struct& obj)
+    {
+        using msgpackcpp::deserialize;
+        auto members = std::tie(obj.my_int, obj.my_float, obj.my_string, obj.my_audio);
+        deserialize(in, members);
+    }  
+}
+
+int main()
+{
+    using msgpackcpp::serialize;
+    using msgpackcpp::deserialize;
+    using msgpackcpp::sink;
+    using msgpackcpp::source;
+
+    mynamespace::my_struct a = {1, 3.14, "hello there", {0, 1, 2, 3, 4}};
+    mynamespace::my_struct b;
+
+    std::vector<char> buf;
+    auto out = sink(buf);
+    serialize(out, a);
+    auto in = source(buf);
+    deserialize(in, b);
+
+    printf("%d %f %s [", b.my_int, b.my_float, b.my_string.c_str());
+    for (auto s : b.my_audio) printf("%hd ", s);
+    printf("]\n");
+}

examples/example3.cpp

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+#include <cstdint>
+#include <boost/describe/class.hpp>
+#include "msgpack.h"
+#include "msgpack_sinks.h"
+#include "msgpack_describe.h"
+
+namespace mynamespace
+{
+    struct my_struct
+    {
+        int                 my_int{};
+        float               my_float{};
+        std::string         my_string;
+        std::vector<short>  my_audio;
+    };
+
+    BOOST_DESCRIBE_STRUCT(my_struct, (), (my_int, my_float, my_string, my_audio))
+}
+
+int main()
+{
+    using msgpackcpp::serialize;
+    using msgpackcpp::deserialize;
+    using msgpackcpp::sink;
+    using msgpackcpp::source;
+
+    mynamespace::my_struct a = {1, 3.14, "hello there", {0, 1, 2, 3, 4}};
+    mynamespace::my_struct b;
+
+    std::vector<char> buf;
+    auto out = sink(buf);
+    serialize(out, a);
+    auto in = source(buf);
+    deserialize(in, b);
+
+    printf("%d %f %s [", b.my_int, b.my_float, b.my_string.c_str());
+    for (auto s : b.my_audio) printf("%hd ", s);
+    printf("]\n");
+}