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alexaltair / Today's Learning.md
Last active December 18, 2015 17:38
An exploration of infinite lists.

The first thing that really surprised me today was the flexibility of Ruby's shovel operator, <<. A student in the class had tried the following:

a = [0]
a << a

What do you think a is now? I was sure it would be [0, [0]]. But lo and behold, Ruby sparkles;

a = [0]
a &lt;&lt; a