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Editorial Team
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Asked: 2026-06-09T17:03:55+00:00

As the question asks, is it just calling to_s on the return value of

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As the question asks, is it just calling to_s on the return value of the embedded expression?

Like this?

"1, 2, #{1 + 2}" == "1, 2, " + 3.to_s

Or is there more going on here?

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1 Answer

  1. Editorial Team

    Yes, it calls to_s on the result of the expression. Try it.

    :001> class Monkey
:002>   def to_s
:003>     "monkey"
:004>     end
:005>   end
 => nil 
:006> m = Monkey.new
 => monkey
:007> "I am a #{m}"
 => "I am a monkey"
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