/usr/lib/ruby/vendor_ruby/active_support/core_ext/string/inquiry.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 | require 'active_support/string_inquirer'
class String
# Wraps the current string in the <tt>ActiveSupport::StringInquirer</tt> class,
# which gives you a prettier way to test for equality. Example:
#
# env = "production".inquiry
# env.production? # => true
# env.development? # => false
def inquiry
ActiveSupport::StringInquirer.new(self)
end
end
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