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c++ boost boost-asio boost-beast

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Accepted Answer
June 15, 2025 Score: 3 Rep: 401,167 Quality: High Completeness: 70%

Generically, use asio::buffercopy:

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#include 
#include 
namespace asio  = boost::asio;
namespace beast = boost::beast;
int main() {
    beast::flatbuffer buf;
    // read into buf
    std::string bufdata = beast::bufferstostring(buf.data());
    // something else
    bufdata = "new data";
    buf.clear();
    asio::buffercopy(buf.data(), asio::buffer(bufdata));
}