src/xrpld/rpc/Output.h

#pragma once
 
#include <boost/utility/string_ref.hpp>
 
#include <functional>
#include <string>
 
namespace xrpl::rpc {
 
using Output = std::function<void(boost::string_ref const&)>;
 
inline Output
stringOutput(std::string& s)
{
    return [&](boost::string_ref const& b) { s.append(b.data(), b.size()); };
}
 
}  // namespace xrpl::rpc