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From: "Matthew Heaney" <matthew_heaney@acm.org>
Subject: Re: defining functions
Date: 1999/11/24
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In article <81gthb$kej$1@bunyip.cc.uq.edu.au> , "Riyaz Mansoor" 
<s800032@student.uq.edu.au> wrote:

> when i try to define a function as below my compiler tells me the name is
> invalid. when i change the name to "=" it works fine. is this a compiler
> specific problem? or ada restriction?

This is not an Ada "restriction."  This is an Ada *feature*.


>    function  "=="  (Stack1, Stack2 : in Stack) return Boolean;

Wrong.  Do this instead:

  function "=" (L, R : Stack) return Boolean;


> if this is a compiler problem, i'm using AdaGIDE (GNAT 3.12), is there
> anyway i can tell the compiler to accept "==" as a valid name?

No.  Look up the list of valid operators in the RM.


> (i find the single equal sign really irritating!!!)

I'm sorry to hear that.



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