From: David Richards <lists@...>
Date: 2013-01-21T05:08:19+09:00
Subject: question about string concatenation

I'm puzzled about why the following happens (I'm using v1.9.3):

s = "[" 9.to_s "]"  # error

These other two concatenation constructs appear to work fine:

s = "[" + 9.to_s + "]"
s = "[" << 9.to_s << "]"

What's the key concept I'm missing here?

_ Dave

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