TipType.h

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#pragma once
 
#include <memory>
#include <ostream>
 
// Forward declare the visitor to resolve circular dependency
class TipTypeVisitor;
 
class TipType {
public:
  virtual bool operator==(const TipType &other) const = 0;
  virtual bool operator!=(const TipType &other) const = 0;
  virtual ~TipType() = default;
  friend std::ostream &operator<<(std::ostream &os, const TipType &obj) {
    return obj.print(os);
  }
 
  virtual void accept(TipTypeVisitor *visitor) = 0;
 
protected:
  virtual std::ostream &print(std::ostream &out) const = 0;
};