I am realizing you can reduce the problem to just the first three entries,
so you don't have to copy much when reproducing
:echo [(229539777187355, 229539777187355), (487766135067138,
491977135306566), (188325333471071, 188931909913550)]->sort({a, b -> a[0] -
b[0]})
*Igbanam*
On Fri, Dec 5, 2025 at 9:00 AM Igbanam Ogbuluijah <[email protected]>
wrote:
> Hi all,
>
> It's the time of the year when I use Vimscript to do what it was not
> designed for: AdventOfCode.
>
> For today's problem, I notice that `:h sort()`, with a Funcref, breaks
> for large numbers — "breaks" here means that it does not keep to contract
> in the docs, not that it throws an exception. Since it's not really an
> exception, I don't think I can file it as a bug… so I'm bringing it here.
> Maybe someone can help me catch what I'm doing wrong.
>
> In Vimscript…
>
> :echo [(229539777187355, 229539777187355), (487766135067138,
> 491977135306566), (188325333471071, 188931909913550), (264028451845520,
> 265514296554744), (245727634348687, 249469249579525), (375117820166731,
> 378942174241518), (535474757750378, 535849288071548)]->sort({a, b -> a[0] -
> b[0]})
>
> yields
>
> [(229539777187355, 229539777187355), (487766135067138, 491977135306566),
> (188325333471071, 188931909913550), (264028451845520, 265514296554744),
> (245727634348687, 249469249579525), (375117820166731, 378942174241518),
> (535474757750378, 535849288071548)]
>
> This is the same list because I got it from runtime working on the larger
> list.
>
> Looking closely, I noticed that the third range is smaller than the first
> range. This got me thinking about things like overflow. But I checked and
> `v:numbermax
> == 9223372036854775807` which is bigger than all the numbers here.
>
> This same operation in Python and Ruby yield the same results different
> from Vimscript's
>
> In Python
>
> sorted([(229539777187355, 229539777187355), (487766135067138,
> 491977135306566), (188325333471071, 188931909913550), (264028451845520,
> 265514296554744), (245727634348687, 249469249579525), (375117820166731,
> 378942174241518), (535474757750378, 535849288071548)])
>
> In Ruby
>
> [[229539777187355, 229539777187355], [487766135067138, 491977135306566],
> [188325333471071, 188931909913550], [264028451845520, 265514296554744],
> [245727634348687, 249469249579525], [375117820166731, 378942174241518],
> [535474757750378, 535849288071548]].sort { |a, b| a[0] - b[0] }
>
> …both yield
>
> [(188325333471071, 188931909913550), (229539777187355, 229539777187355),
> (245727634348687, 249469249579525), (264028451845520, 265514296554744),
> (375117820166731, 378942174241518), (487766135067138, 491977135306566),
> (535474757750378, 535849288071548)]
>
> Is there some way to use sort that I'm missing here?
>
>
> *Igbanam*
>
--
--
You received this message from the "vim_use" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php
---
You received this message because you are subscribed to the Google Groups
"vim_use" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To view this discussion visit
https://groups.google.com/d/msgid/vim_use/CAOmRJrdcaKyCSTTKwMoMef1N5q3_dpUvL5wrR_qgFrhpE6z%3Dpg%40mail.gmail.com.
