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Editorial Team
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Asked: 2026-06-01T10:10:31+00:00

Having the following module: module Foo end How can we add inside this Foo

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Having the following module:

module Foo
end

How can we add inside this Foo module another module from its name (with for example: name = 'Bar')?

I would like to dynamically get this:

module Foo
  module Bar
  end
end
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1 Answer

  1. Editorial Team

    Without (ugly) string eval:

    module Foo
end

bar = Module.new
Foo.const_set(:Bar, bar)
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