From: Love U Ruby <lists@...>
Date: 2013-03-12T00:29:42+09:00
Subject: Confusion with empty block printing

When I typed the below in my IRB:

{}.class
#=> Hash  #<~~ I got this one.

print {}.class
#NilClass

Why the above showing `NilClass`, but the below are not?

print [].class
#Array=> nil
print (1..2).class
#Range=> nil
print 2.class
#Fixnum=> nil

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