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From: Bart Schaefer <schaefer@brasslantern.com>
To: Daniel Shahaf <d.s@daniel.shahaf.name>
Cc: Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: zmathfunc: min, max, sum throw error if result equals 0
Date: Fri, 16 Apr 2021 11:47:01 -0700	[thread overview]
Message-ID: <CAH+w=7ag7Js0T4EJMe+7Ckkej+HJMiLiOPLVHJUZBGcBUHpBAg@mail.gmail.com> (raw)
In-Reply-To: <20210416182604.GB15670@tarpaulin.shahaf.local2>

On Fri, Apr 16, 2021 at 11:26 AM Daniel Shahaf <d.s@daniel.shahaf.name> wrote:
>
> When «$foo» appears inside «$((…))», it's expanded as a string that's
> then parsed as math.  The result of «$((…))» is then assigned to the
> $result, which is eventually used as «(( result ))», where — because
> ${(t)result} is non-integer scalar — there will be another
> string-to-integer conversion.

Yes, there's another string-to-integer conversion, but I haven't
figured out how «result=$((...))» can possibly assign any string that
is not already a plain number, so the string-to-integer conversion is
free of meaningful side-effects.  Have I missed something?


  reply	other threads:[~2021-04-16 18:47 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-07 16:37 Nikolaus Thiel
2021-03-07 17:17 ` Daniel Shahaf
2021-03-07 21:39   ` Bart Schaefer
2021-03-07 21:56     ` Daniel Shahaf
2021-03-08  2:25       ` Bart Schaefer
2021-04-16 18:26         ` Daniel Shahaf
2021-04-16 18:47           ` Bart Schaefer [this message]
2021-04-16 19:50         ` Daniel Shahaf
2021-04-16 20:05           ` Bart Schaefer
2021-04-16 20:08             ` Daniel Shahaf
2021-04-16 18:21   ` Daniel Shahaf
2021-05-16 14:54     ` Lawrence Velázquez
2021-05-18  2:02       ` Daniel Shahaf

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