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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Ideas for Ada 200X (GNAT.IO_Aux.Get_Line)
Date: Mon, 2 Jun 2003 19:20:33 -0500
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Date: 2003-06-02T19:20:33-05:00
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Warren W. Gay VE3WWG wrote in message <3EDA5648.9030709@cogeco.ca>...
>Richard Riehle wrote:
>> "Warren W. Gay VE3WWG" wrote:
>>>Another example: Include a standard version of GNAT.IO_Aux.Get_Line
>>>as part of Ada.Text_IO for Ada0Y. Why should people have to keep
>>>rolling their own, or relying on GNAT code for this?
>>
>> While we're  making suggestions about Text_IO, why not change
>> the Get operations to functions for Scalar types.   This is one of
>> the important changes Jerry Van Dijk made in CONSOLE_IO.  It
>> works great.
>>
>> Richard Riehle
>
>This kinda gets back to the functions and side-effects argument (the
>object that File_Type points to is undergoing state changes). I think
>many would be happy to break that rule for GNAT.IO_Aux.Get_Line, since
>there is no other way to read in a Ada string without knowing in
>advance its size. But extending this to scalars might be going farther
>down that road than is "comfortable".
>
>For my $0.02 worth, the scalars don't matter. The string is the problem
>child that needs a solution.


Moreover, Richard said "change", which is an immediate non-starter.
"Add", perhaps, but we're not going to make incompatible changes without
lots of justification, and this would come close.

                Randy.