/usr/lib/ruby/vendor_ruby/active_support/core_ext/integer/multiple.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 | 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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