Class LazyExpression

Bcore/src/main/cpp/Dobby/tests/catch.hpp:1405–1421

class RunContext;

class LazyExpression {
  friend class AssertionHandler;
  friend struct AssertionStats;
  friend class RunContext;

  ITransientExpression const *m_transientExpression = nullptr;
  bool m_isNegated;

public:
  LazyExpression(bool isNegated);
  LazyExpression(LazyExpression const &other);
  LazyExpression &operator=(LazyExpression const &) = delete;

  explicit operator bool() const;

  friend auto operator<<(std::ostream &os, LazyExpression const &lazyExpr) -> std::ostream &;
};

struct AssertionReaction {
  bool shouldDebugBreak = false;