error.h

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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright (C) 2022 Wouter Deconinck, Sylvester Joosten
//
// A simple exception base class that transports both an error message and error type
 
#pragma once
 
#include <exception>
#include <string>
 
namespace algorithms {
 
class Error : public std::exception {
public:
  Error(std::string_view msg, std::string_view type = "algorithms::Error")
      : m_msg{msg}, m_type{type} {}
 
  virtual const char* what() const noexcept { return m_msg.c_str(); }
  virtual const char* type() const noexcept { return m_type.c_str(); }
  virtual ~Error() noexcept {}
 
private:
  const std::string m_msg;
  const std::string m_type;
};
 
} // namespace algorithms