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class Object #:nodoc:
def remove_subclasses_of(*superclasses)
subclasses_of(*superclasses).each do |subclass|
Object.send(:remove_const, subclass.to_s) rescue nil
end
end
def subclasses_of(*superclasses)
subclasses = []
ObjectSpace.each_object(Class) do |k|
next if (k.ancestors & superclasses).empty? || superclasses.include?(k) || k.to_s.include?("::") || subclasses.include?(k)
subclasses << k
end
subclasses
end
def extended_by
ancestors = class << self; ancestors end
ancestors.select { |mod| mod.class == Module } - [ Object, Kernel ]
end
def copy_instance_variables_from(object, exclude = [])
exclude += object.protected_instance_variables if object.respond_to? :protected_instance_variables
instance_variables = object.instance_variables - exclude.map { |name| name.to_s }
instance_variables.each { |name| instance_variable_set(name, object.instance_variable_get(name)) }
end
def extend_with_included_modules_from(object)
object.extended_by.each { |mod| extend mod }
end
def instance_values
instance_variables.inject({}) do |values, name|
values[name[1..-1]] = instance_variable_get(name)
values
end
end
unless defined? instance_exec # 1.9
def instance_exec(*arguments, &block)
block.bind(self)[*arguments]
end
end
end
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