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Asked: 2026-05-31T02:40:23+00:00

I know what class << self does. But what is the underlying mechanism of

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I know what 

class << self

does. But what is the underlying mechanism of this trick?

<< in Ruby is Binary Left Shift Operator

So we are doing binary left shift on class variable ?

Please clarify.

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1 Answer

  1. Editorial Team

    It’s not just binary left shift – << in Ruby is also the singleton class definition syntax. This syntax is used because all objects representing classes in Ruby are singleton classes.

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