anonymous?() public

A module may or may not have a name.

module M; end M.name # => "M" m = Module.new m.name # => nil

anonymous? method returns true if module does not have a name, false otherwise:

Module.new.anonymous? # => true module M; end M.anonymous? # => false

A module gets a name when it is first assigned to a constant. Either via the module or class keyword or by an explicit assignment:

m = Module.new # creates an anonymous module m.anonymous? # => true M = m # m gets a name here as a side-effect m.name # => "M" m.anonymous? # => false
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