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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
 =?utf-8?Q?=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: SPARK
Date: Fri, 14 May 2010 05:07:53 +0200
Organization: Ada At Home
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Date: 2010-05-14T05:07:53+02:00
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The Quick Reference Card #1 talks about =E2=80=9Ctype assertion=E2=80=9D=
:

> A type assertion allows the user to specify the base type which the
> compiler will associate with a signed integer type. The base type
> must be supplied to the Examiner in the configuration file. This
> assertion allows the Examiner to generate VCs which are much more
> readily discharged [RTC 5.2].
>
> Example:
> type T is range 1 .. 10
> --# assert T=E2=80=99Base is Short_Short_Integer;

As the Examiner ignore any representation clauses [SPARK 95 (13.1)], it =
 =

cannot care to any implicit representation clause either. So what's the =
 =

purpose of this kind of assertions ? Does the examiner check something  =

else which is not only the range ? Does it have something to deal with  =

type conversions ?

-- =

pragma Asset ? Is that true ? Waaww... great