Module#extended

extended(othermod)

#define rb_obj_mod_extended rb_obj_dummy1

The equivalent of included, but for extended modules.

Example

module A
  def self.extended(mod)
    puts "#{self} extended in #{mod}"
  end
end
module Enumerable
  extend A
end
 # => prints "A extended in Enumerable"

See also #deprecate_constant #extend_object #define_method #freeze also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0

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