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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Ada platforms and pricing, was: Re: a new language,
 designed for safety !
Date: Mon, 23 Jun 2014 22:52:16 +0100
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Date: 2014-06-23T22:52:16+01:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:

> Egh? Ada lacks nothing for programming FSM. It has:
>
> 1. gotos and labels
> 2. access to subprogram type
> 3. dispatching
>
> Ada has enumeration types so that states could be named. Ada has the case
> statement checking all alternatives. Ada has ranges in case statement in
> order to specify subsets of states and subtypes to name such subsets.
>
> Thus either possible way of implementing FSM is fully, totally, and
> exhaustively supported in Ada.

You're describing the assembly language of state machines. Higher-level
constructs are needed.