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# File 'lib/character_set/predefined_sets.rb', line 24
def build_from_cps_file(path)
if defined?(Ractor) && Ractor.current != Ractor.main
raise " CharacterSet's predefined sets are lazy-loaded.\n Pre-load them to use them in Ractors. E.g.:\n\n CharacterSet.ascii # pre-load\n Ractor.new { CharacterSet.ascii.size }.take # => 128\n Ractor.new { 'abc'.keep_character_set(:ascii) }.take # => 'abc'\n EOS\n end\n\n File.readlines(path).inject(new) do |set, line|\n range_start, range_end = line.split(',')\n set.merge((range_start.to_i(16))..(range_end.to_i(16)))\n end\nend\n".gsub(/^ */, '')
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