Pow operator precedence

Mehrdad wfunction at hotmail.com
Fri Jan 13 08:59:47 PST 2012


On 1/13/2012 4:48 AM, bearophile wrote:
> This is the third time I see people trip on power operator precedence:
> http://d.puremagic.com/issues/show_bug.cgi?id=7268
>
> Some people expect this:
> (-10 ^^ 2)
> To be 100 instead of -100
> (Note: Python here uses the same operator precedences.)
>
> Do you think it's worth (and possible) to help D programmers avoid this mistake in their code?
>
> Bye,
> bearophile

I don't like it, but I think we should keep it.

The reason?

-10 ^^ 2 == -(10) ^^ 2 == -(x) ^^ 2 == -x ^^ 2 != (-x) ^^ 2


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