From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on ip-172-31-65-14.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-3.2 required=3.0 tests=BAYES_00,NICE_REPLY_A, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 Path: eternal-september.org!reader01.eternal-september.org!.POSTED!not-for-mail From: =?UTF-8?Q?Bj=c3=b6rn_Lundin?= Newsgroups: comp.lang.ada Subject: Re: Non-standard functions in GNAT's Ada.Containers packages? Date: Fri, 16 Sep 2022 13:33:43 +0200 Organization: A noiseless patient Spider Message-ID: References: <6a8a1468-5148-49d7-b342-327f8eaf8097n@googlegroups.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Fri, 16 Sep 2022 11:33:43 -0000 (UTC) Injection-Info: reader01.eternal-september.org; posting-host="6b4ce771fba3c91bea5cb1473b29fd63"; logging-data="3942549"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19IluZsqbxp0DA43D4ous4g" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Cancel-Lock: sha1:TiGg8Jsn6A1rHPvAuuaThJTfaCI= In-Reply-To: <6a8a1468-5148-49d7-b342-327f8eaf8097n@googlegroups.com> Content-Language: en-US Xref: reader01.eternal-september.org comp.lang.ada:64336 List-Id: On 2022-09-15 19:11, Marius Amado-Alves wrote: > Thanks, Niklas. > >> ... There are functions First and Next ... procedure Iterate ... > > Too verbose and error-prone (forget the Next and you get an endless loop). > >> "for X of M loop ... end loop". > > Not possible for maps. but you can as >https://programming-idioms.org/idiom/13/iterate-over-map-keys-and-value/1511/ada> shows (as below) --Access each key k with its value x from an associative array mymap, -- and print them. with Ada.Containers.Indefinite_Hashed_Maps; with Ada.Strings.Hash; use Ada.Containers; for C in My_Map.Iterate loop Put_Line ("Key = " & Key (C) & ", Value = " & Element (C)); end loop; -- /Björn