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Re: 7 logical-xor implementations in source tree
From: |
Yuri Khan |
Subject: |
Re: 7 logical-xor implementations in source tree |
Date: |
Tue, 23 Jul 2019 18:01:05 +0700 |
On Tue, Jul 23, 2019 at 5:44 PM Basil L. Contovounesios <address@hidden> wrote:
> Most people seem to define n-ary xor as a parity check (i.e. its result
> is non-nil if the number of non-nil arguments is odd).
The other interpretation, based on the literal meaning of “exclusive
or”, is that the result is non-nil if exactly one argument is non-nil.
(Could actually return that one argument as the result.)
With both interpretations, a vacuous xor is nil.
- Re: 7 logical-xor implementations in source tree, (continued)
- Re: 7 logical-xor implementations in source tree, Andy Moreton, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Basil L. Contovounesios, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Mattias Engdegård, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Andy Moreton, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Andreas Schwab, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Andy Moreton, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Basil L. Contovounesios, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Andy Moreton, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Basil L. Contovounesios, 2019/07/24
- Re: 7 logical-xor implementations in source tree, Basil L. Contovounesios, 2019/07/23
- Re: 7 logical-xor implementations in source tree,
Yuri Khan <=
- Re: 7 logical-xor implementations in source tree, Juri Linkov, 2019/07/25
- Re: 7 logical-xor implementations in source tree, Noam Postavsky, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Stefan Monnier, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Mattias Engdegård, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Eli Zaretskii, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Paul Eggert, 2019/07/23
- Re: 7 logical-xor implementations in source tree, Stefan Monnier, 2019/07/23