On 09/03/2010 01:35 PM, bearophile wrote:
Pelle:

bool isRotated(T)(T[] a, T[] b) {
      return a.length == b.length&&  (a.length == 0 ||
canFind(chain(a,a), b));
}

Nice clean solution. I suggest to add "pure" and two "const" in the signature.


canFind isn't really the best possible name, is it?

Some name/APIs of Phobos are not the best possible, they were often invented by 
a single person. I don't know if contains() or isIn() are better.

Bye,
bearophile

Heh, I actually tried that before posting, but chain doesn't seem to support const. :-)

Should probably be two forward ranges, not two arrays, as well.

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