Puppet Function: array_difference

Defined in:
lib/puppet/parser/functions/array_difference.rb
Function type:
Ruby 3.x API

Overview

array_difference() ⇒ Any

Provided two arrays, lhs and rhs, returns lhs - rhs.

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/array_difference.rb', line 5

newfunction(:array_difference, :type => :rvalue, :doc => <<-EOS
Provided two arrays, lhs and rhs, returns lhs - rhs.
EOS
) do |arguments|
  raise(Puppet::ParseError, "array_difference(): Wrong number of arguments " +
    "given (#{arguments.size} for 2)") if arguments.size < 2

  lhs = Array(arguments[0])
  rhs = Array(arguments[1])

  unless lhs.is_a?(Array)
    raise(Puppet::ParseError, 'array_difference(): expected array for parameter 1')
  end

  unless rhs.is_a?(Array)
    raise(Puppet::ParseError, 'array_difference(): expected array for paraemter 2')
  end

  result = Array.new
  result = lhs - rhs

  return result
end