On Oct 24, 2007, at 9:10 AM, Ken Bloom wrote:

> On Wed, 24 Oct 2007 10:04:56 +0900, James Koppel wrote:
>
>> Here's my solution. It converts a time window into an array of  
>> arrays of
>> ranges. Each range matches an interval of time (e.g.: 500..1700);  
>> each
>> subarray contains all the ranges for a given day. I then wrote the
>> simple Array#some method that returns true if the given predicate
>> returns true for at least one of its elements, which I used to write
>> TimeWindow#incude?.
>>
>> $days = {"Sun"=>0,
>>               "Mon"=>1,
>>               "Tue"=>2,
>>               "Wed"=>3,
>>               "Thu"=>4,
>>               "Fri"=>5,
>>               "Sat"=>6}
>
> I suggest using a constant rather than a global variable for this. You
> can put the constant in the TimeWindow class.

This is also just an Array disguised as a Hash.

James Edward Gray II