cppreference.com
Create account
  • Log in
Namespaces
Variants
    Actions
       
      C++
       
      Utilities library
      General utilities
      Relational operators (deprecated in C++20)
      Integer comparison functions
      (C++20)(C++20)(C++20)    
      (C++20)
      Swap and type operations
      (C++20)
      (C++14)
      (C++11)
      (C++23)
      (C++11)
      (C++23)
      (C++11)
      (C++11)
      (C++17)
      Common vocabulary types
      (C++11)
      (C++17)
      (C++17)
      (C++17)
      (C++11)
      (C++11)
      (C++17)
      (C++17)
      (C++23)



       
      Diagnostics library
       
      std::error_condition
       
      const error_category& category() const noexcept;
      		(since C++11)

      Returns the stored error category.

      Parameters

      (none)

      Return value

      The stored error category.

      See also

      (C++11)
      		 base class for error categories
      (class)