Sha256: 7dd9bfd58709b1de1a92f1cd75e16e2083d9b1e9c7a6a259e0b96c2755ad2d37
Contents?: true
Size: 825 Bytes
Versions: 21
Compression:
Stored size: 825 Bytes
Contents
#
# difference.rb
#
module Puppet::Parser::Functions
newfunction(:difference, :type => :rvalue, :doc => <<-EOS
This function returns the difference between two arrays.
The returned array is a copy of the original array, removing any items that
also appear in the second array.
*Examples:*
difference(["a","b","c"],["b","c","d"])
Would return: ["a"]
EOS
) do |arguments|
# Two arguments are required
raise(Puppet::ParseError, "difference(): Wrong number of arguments " +
"given (#{arguments.size} for 2)") if arguments.size != 2
first = arguments[0]
second = arguments[1]
unless first.is_a?(Array) && second.is_a?(Array)
raise(Puppet::ParseError, 'difference(): Requires 2 arrays')
end
result = first - second
return result
end
end
# vim: set ts=2 sw=2 et :
Version data entries
21 entries across 21 versions & 2 rubygems