/usr/lib/ruby/vendor_ruby/active_support/core_ext/string/xchar.rb is in ruby-activesupport-3.2 3.2.16-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | begin
# See http://fast-xs.rubyforge.org/ by Eric Wong.
# Also included with hpricot.
require 'fast_xs'
rescue LoadError
# fast_xs extension unavailable
else
begin
require 'builder'
rescue LoadError
# builder demands the first shot at defining String#to_xs
end
class String
alias_method :original_xs, :to_xs if method_defined?(:to_xs)
alias_method :to_xs, :fast_xs
end
end
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