Class: Object

Inherits:
BasicObject
Defined in:
lib/ruby_ext.rb

Instance Method Summary collapse

Instance Method Details

#extend_once(*mods) ⇒ Object

Does what its name says



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# File 'lib/ruby_ext.rb', line 81

def extend_once(*mods)
  mods.each do |mod|
    extend mod unless metaclass.ancestors.include? mod
  end
end

#include_once(*mods) ⇒ Object

Does what its name says



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# File 'lib/ruby_ext.rb', line 88

def include_once(*mods)
  mods.each do |mod|
    include mod unless ancestors.include? mod
  end
end

#instance_variables_send(obj, force = false) ⇒ Object Also known as: ivs_send

Sets all instance variables of an object to another

if force is set to true, existing instance variables will be overwritten



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# File 'lib/ruby_ext.rb', line 70

def instance_variables_send(obj, force=false)
  instance_variables.each do |v|
    if force or not obj.instance_variables.include? v
      obj.instance_variable_set(v, instance_variable_get(v))
    end
  end
  obj
end