1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME COMPONENTS -- 4-- -- 5-- A D A . E X C E P T I O N S . I S _ N U L L _ O C C U R R E N C E -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 2000-2021, Free Software Foundation, Inc. -- 10-- -- 11-- GNAT is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 3, or (at your option) any later ver- -- 14-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. -- 17-- -- 18-- As a special exception under Section 7 of GPL version 3, you are granted -- 19-- additional permissions described in the GCC Runtime Library Exception, -- 20-- version 3.1, as published by the Free Software Foundation. -- 21-- -- 22-- You should have received a copy of the GNU General Public License and -- 23-- a copy of the GCC Runtime Library Exception along with this program; -- 24-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- 25-- <http://www.gnu.org/licenses/>. -- 26-- -- 27-- GNAT was originally developed by the GNAT team at New York University. -- 28-- Extensive contributions were provided by Ada Core Technologies Inc. -- 29-- -- 30------------------------------------------------------------------------------ 31 32-- This is a GNAT-specific child function of Ada.Exceptions. It provides 33-- clearly missing functionality for its parent package, and most reasonably 34-- would simply be an added function to that package, but this change cannot 35-- be made in a conforming manner. 36 37function Ada.Exceptions.Is_Null_Occurrence 38 (X : Exception_Occurrence) return Boolean; 39pragma Preelaborate (Ada.Exceptions.Is_Null_Occurrence); 40-- This function yields True if X is Null_Occurrence, and False otherwise 41