Re: Question on use of ! instead of |

["Manuel G. R." <mgrojo@ya.com>]

James Alan Farrell wrote:
> According to ASIS, "A!B" is an identifier.  If I put spaces around the ! 
> then A and B are identifiers and things work the way I expect, and if I 
> replace the ! with a | again things work the way I expect.
> 
> Could this be a bug in the compiler or in ASIS?

In ASIS for GNAT, I think.

> 
> I couldn't find ! in the ARM.  It's supposed to be a direct replacement 
> for |, correct?  (ie, they should work the same semantically and 
> syntactically?)
> 

Yes, they should. This is one of the obsolescent features in Ada 95: "A 
vertical line character (|) can be replaced by an exclamation mark (!) 
where used as a delimiter."

http://www.adaic.com/standards/95lrm/html/RM-J-2.html


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