#ifndef THIRD_PARTY_CEL_CPP_COMMON_ERROR_H_

#define THIRD_PARTY_CEL_CPP_COMMON_ERROR_H_

#include "google/rpc/status.pb.h"

#include "absl/container/node_hash_set.h"

#include "absl/types/span.h"

#include "internal/hash_util.h"

#include "internal/proto_util.h"

namespace google {

namespace api {

namespace expr {

namespace common {

/** A CEL Error. */

class Error {

public:

using ErrorData = absl::node_hash_set<google::rpc::Status, internal::Hasher,

internal::DefaultProtoEqual>;

explicit Error(const google::rpc::Status& error);

explicit Error(absl::Span<const google::rpc::Status* const> errors);

explicit Error(absl::Span<const google::rpc::Status> errors);

const ErrorData& errors() const;

bool operator==(const Error& rhs) const;

inline bool operator!=(const Error& rhs) const { return !(*this == rhs); }

/** The hash code for this value. */

std::size_t hash_code() const;

/**

* A string useful for debugging.

*

* Format may change, and computation may be expensive.

*/

std::string ToDebugString() const;

private:

ErrorData errors_;

};

inline std::ostream& operator<<(std::ostream& os, const Error& value) {

return os << value.ToDebugString();

}

} // namespace common

} // namespace expr

} // namespace api

} // namespace google

#endif // THIRD_PARTY_CEL_CPP_COMMON_ERROR_H_