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Re: seq-some-p and nil
From: |
Mark Oteiza |
Subject: |
Re: seq-some-p and nil |
Date: |
Wed, 9 Sep 2015 00:57:59 -0400 |
User-agent: |
Mutt/1.5.24+9 (2dac9fa02842) (2015-08-30) |
On 09/09/15 at 01:28pm, Stephen J. Turnbull wrote:
> Mark Oteiza writes:
> > On 08/09/15 at 01:50pm, Stefan Monnier wrote:
> > > > (defun seq-some (pred seq)
> > > > (funcall pred (seq-find (pred seq)))
> > >
> > > But that fails for the case where the element found is nil.
> >
> > Works as expected
>
> [...]
> > (seq-find 'null [1 2 nil])
> > ;; => nil
> >
> > (seq-some 'null [1 2 nil])
> > ;; => t
>
> You have a test coverage problem.
>
> (seq-find 'null [1 2])
> ;; => nil
>
> (seq-some 'null [1 2])
> ;; => t
>
> I suppose this is the corner case Stefan meant, in the sense that when
> seq-find "finds" (ie, "returns") nil it's impossible to distinguish
> finding nil from not finding nil.
Thanks, that makes sense. I misunderstood
- Re: seq-some-p and nil, (continued)
- Re: seq-some-p and nil, David Kastrup, 2015/09/08
- Re: seq-some-p and nil, Nicolas Petton, 2015/09/08
- Re: seq-some-p and nil, David Kastrup, 2015/09/08
- Re: seq-some-p and nil, Stefan Monnier, 2015/09/08
- Re: seq-some-p and nil, Nicolas Petton, 2015/09/09
- Re: seq-some-p and nil, Nicolas Petton, 2015/09/08
- Re: seq-some-p and nil, Mark Oteiza, 2015/09/08
- Re: seq-some-p and nil, Stefan Monnier, 2015/09/08
- Re: seq-some-p and nil, Mark Oteiza, 2015/09/08
- Re: seq-some-p and nil, Stephen J. Turnbull, 2015/09/09
- Re: seq-some-p and nil,
Mark Oteiza <=
- Re: seq-some-p and nil, Nicolas Petton, 2015/09/07
Re: seq-some-p and nil, Nicolas Petton, 2015/09/03
- Re: seq-some-p and nil, Simen Heggestøyl, 2015/09/10
- Re: seq-some-p and nil, Nicolas Petton, 2015/09/10
- Re: seq-some-p and nil, Simen Heggestøyl, 2015/09/22
- Re: seq-some-p and nil, Nicolas Petton, 2015/09/23
- Re: seq-some-p and nil, David Kastrup, 2015/09/23
- Re: seq-some-p and nil, Simen Heggestøyl, 2015/09/23
- Re: seq-some-p and nil, Nicolas Petton, 2015/09/23
Re: seq-some-p and nil, Nicolas Petton, 2015/09/29