/usr/lib/ruby/vendor_ruby/active_support/core_ext/integer/multiple.rb is in ruby-activesupport 2:4.2.10-0ubuntu4.
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 | class Integer
# Check whether the integer is evenly divisible by the argument.
#
# 0.multiple_of?(0) # => true
# 6.multiple_of?(5) # => false
# 10.multiple_of?(2) # => true
def multiple_of?(number)
number != 0 ? self % number == 0 : zero?
end
end
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