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Re: Iterators in Scheme?

From: Niols
Subject: Re: Iterators in Scheme?
Date: Wed, 29 Jul 2020 18:56:19 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0

Hello Jean-Julien,

On 29/07/2020 17:28, Jean-Julien Fleck wrote:
Le mer. 29 juil. 2020 à 15:44, Niols < <>> a écrit :

     > What do you want to achieve?

    This is actually follow-up research from my side after a previous
    to this list. I would like to print bar numbers that are "repeat
    that is such that if bars 9 to 12 repeat twice, then the bar numbers go

          1, 2, …, 9, …, 12, 17, 18, etc.

    with a jump after 12 that corresponds to the bars 13 to 16 that are
    actually 9 to 12. Even better, I would like to print the two bar
    for these bars (9/13, 10/14, etc.)

Perhaps this snippet could be of some use for you:

This is quite amazing!

This made me realise that my question is exactly the same as issue #5031 [1]. The snippet you link is a workaround for this issue that does almost everything I am looking for. Also, it works in a way that is quite new to me, so understanding it will bring me quite a lot of interesting things; thank you!


I will try to play with that and come back if I have more questions.

By default, I would also report back to the mailing-list, but I don't know if that is how it is done here. Do not hesitate to tell me if it is not the case on this mailing-list.

– Niols

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