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From: Florian Weimer <fw@deneb.enyo.de>
Newsgroups: comp.lang.ada
Subject: Re: What's stopping you from using Ada for your next commercial
 project?
Date: Sat, 12 Mar 2011 21:26:55 +0100
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Date: 2011-03-12T21:26:55+01:00
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* Hyman Rosen:

> On 3/11/2011 3:37 AM, Stephen Leake wrote:
>> People cost at least $100k per year, so you have that
>> to spend on an Ada toolchain.
>>
>> GNATPRO is around $25k per year.
>>
>> What is the problem? I'm guessing you don't really believe the
>> productivity factor.
>
> Of course not. Who would? The very notion of "Buy our tool for
> $25K per year and you'll save twice as much." immediately triggers
> suspicion of a snow job by salesmen. You are asking a company to
> commit quite a bit of money on a tool that will need to be thrown
> away if things don't work out (which is not true of extra employees,
> who can be reassigned). Furthermore, it's a technology that's
> perceived as being long past its prime and never successful even in
> its heyday.

And you need to consider not just the developer output relative to C,
but also all the other languages out there and their promised
productivity gains.  In only very few cases, it's an either-or between
C and Ada.