builder_utils.h

#pragma once
 
#include <memory>

#define UCXX_BUILDER_PIMPL_DEFAULTS(BuilderClass, TargetClass)              \
  BuilderClass::~BuilderClass()                                  = default; \
  BuilderClass::BuilderClass(BuilderClass&&) noexcept            = default; \
  BuilderClass& BuilderClass::operator=(BuilderClass&&) noexcept = default; \
  BuilderClass::BuilderClass(const BuilderClass& other)                     \
    : _impl(std::make_unique<Impl>(*other._impl))                           \
  {                                                                         \
  }                                                                         \
  BuilderClass& BuilderClass::operator=(const BuilderClass& other)          \
  {                                                                         \
    if (this != &other) _impl = std::make_unique<Impl>(*other._impl);       \
    return *this;                                                           \
  }                                                                         \
  BuilderClass::operator std::shared_ptr<TargetClass>() { return build(); }