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Re: Unary /
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From: |
Stefan Monnier |
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Subject: |
Re: Unary / |
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Date: |
Thu, 15 Oct 2015 14:45:21 -0400 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) |
> (- 3) is not the same as (- 3 0) but as (- 0 3), just like (/ 3.0) is
> not the same as (/ 3.0 1.0) but as (/ 1.0 3.0).
Indeed, the - has the same asymmetry, but it seems that "unary -" is much
more commonly found operator than "unary /".
And I'm pretty sure there are many uses of (- X) out there, so we can't
really get rid of it.
Stefan
- Unary /, David Kastrup, 2015/10/15
- Unary /, Stephen J. Turnbull, 2015/10/15
Re: Unary /, Andreas Schwab, 2015/10/15