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From: Niklas Holsti <niklas.holsti@tidorum.invalid>
Newsgroups: comp.lang.ada
Subject: Re: Finding the next or the previous value in a enumerated type
Date: Sat, 19 Nov 2022 16:32:33 +0200
Organization: Tidorum Ltd
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On 2022-11-19 16:05, ldries46 wrote:
> I do have a enumated type:
> type VALUE is (ABC, DEF, GHI, JKL, MNOP);
>   Suppose I have a parameter with the value DEF is there a simple way to 
> get the next value like you can with integers in the way of V2 := V1 + 1 
> for instance OUT := NEXT( ABC).


Next value: VALUE'Succ (V1).
Previous value: VALUE'Pred (V1).

See http://www.ada-auth.org/standards/22rm/html/RM-3-5.html#I1732.