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From: Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: can one create an array of a size determined by a constant value
 of a function?
Date: Sat, 04 Feb 2012 11:47:29 -0700
Organization: Also freenews.netfront.net; news.tornevall.net
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Date: 2012-02-04T11:47:29-07:00
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On 02/04/2012 04:00 AM, Nasser M. Abbasi wrote:

> "constexpr int get_five() {return 5;}
> int some_value[get_five() + 7]; // Create an array of 12 integers. Legal C++11
> This allows the compiler to understand, and verify, that get_five is
> a compile-time constant.
> "

With Ada, you can declare an array with a size not known at compile time:

function Get return Positive is
    -- null;
begin -- Get
    return Integer (Ada.Calendar.Seconds (Ada.Calendar.Clock) );
end Get;

S : String (1 .. Get);

-- 
Jeff Carter
"Nobody expects the Spanish Inquisition!"
Monty Python's Flying Circus
22

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