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module Backports
TARGET_VERSION = caller.each{|c| break $1 if c =~ /set_version\/(\d\.\d\.\d)\.rb/}
end
unless Object.const_defined?(:Enumerator) || Backports::TARGET_VERSION < '1.9'
require 'enumerator'
# Needed for mspec:
Enumerator = Enumerable::Enumerator
end
if RUBY_VERSION < Backports::TARGET_VERSION && Backports::TARGET_VERSION >= '1.9'
require 'backports/1.9.2/float/infinity.rb' # Used in many specs...
require 'backports/1.9.2/float/nan.rb' # Used in many specs...
end
def frozen_error_class
begin
[1].freeze.pop
rescue Exception => e
e.class
end
end
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