exception.hh

#pragma once
 
#ifndef __PERCEMON_EXCEPTION_HH__
#define __PERCEMON_EXCEPTION_HH__
 
#include <exception>
#include <string>
 
namespace percemon {
 
struct not_implemented_error : public std::exception {
 private:
  const std::string what_arg;
 
 public:
  not_implemented_error(const std::string& what_arg) : what_arg{what_arg} {}
  not_implemented_error(const char* what_arg) : what_arg{what_arg} {}
 
  not_implemented_error(const not_implemented_error& other) noexcept = default;
 
  virtual const char* what() const noexcept {
    return this->what_arg.c_str();
  }
};
 
} // namespace percemon
 
#endif /* end of include guard: __PERCEMON_EXCEPTION_HH__ */