Pow operator precedence
Don Clugston
dac at nospam.com
Fri Jan 13 07:56:30 PST 2012
On 13/01/12 14:47, Manu wrote:
> On 13 January 2012 14:48, bearophile <bearophileHUGS at lycos.com
> <mailto:bearophileHUGS at lycos.com>> 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?
>
>
> I would certainly have made this mistake if I tried it. And knowing this
> information will not cause me to do it properly, it will simply make me
> question my code, and become very suspicious every time I ever use the
> operator (ie. I will never understand the proper precedence, I don't
> think it makes sense).
> I'm fairly amazed it's not the other way around... what's the logic
> behind this?
Originally it worked the other way, but bearophile complained about it,
so it got changed to this way <g>.
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