FlushStdoutGuard.h

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#pragma once
 
namespace
{
class FlushStdoutGuard final
{
public:
    explicit FlushStdoutGuard(bool const flush) : _flush(flush)
    {
        if (!flush)
        {
            return;
        }
 
        std::cout << std::flush;
    }
 
    ~FlushStdoutGuard()
    {
        if (!_flush)
        {
            return;
        }
 
        using namespace pybind11::literals;
        pybind11::print("end"_a = "", "flush"_a = true);
    }
 
private:
    const bool _flush;
};
}  // anonymous namespace