"additionally, an empty array is returned when the starting index for an element range is at the end of the array." can someone explain why array#[] is designed like this - discu.eu

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"Additionally, an empty array is returned when the starting index for an element range is at the end of the array." Can someone explain why Array#[] is designed like this? http://www.ruby-doc.org/core-2.1.1/array.html#method-i-5b-5d 14 comments 25/2/2014 ruby