comp_creator.h

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#ifndef COMP_CREATOR_INCLUDED
#define COMP_CREATOR_INCLUDED
 
/* Copyright (c) 2019, 2023, Oracle and/or its affiliates.
 
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   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   as designated in a particular file or component or in included license
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   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
// Declaration of chooser_compare_func_creator, in a separate file
// to make sure that parser_yystype.h does not need to depend on
// item_subselect.h.
 
class Comp_creator;
 
/**
  Convenience typedef for a function that returns factories for Item comparators
  (ie., returns Comp_creator).
 
  @retval nullptr In case of semantic errors.
*/
using chooser_compare_func_creator = Comp_creator *(*)(bool invert);
 
#endif  // COMP_CREATOR_INCLUDED