From: Liang He <goal1860@...>
Date: 2007-10-13T18:25:51+09:00
Subject: Basic question: how to use Enumerable#each_slice

This are examples from library documentation
(1..10).each_slice(3) {|a| p a}
(1..10).each_cons(3) {|a| p a}

but when I run them in fxri, got such errors:

undefined method `each_slice' for 1..10:Range

Do I need to require any module?
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