Puppet Function: array_intersect

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

Overview

array_intersect() ⇒ Any

Given two arrays, returns all elements that exist in both.

Returns:

  • (Any) 


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

newfunction(:array_intersect, :type => :rvalue, :doc => <<-EOS
Given two arrays, returns all elements that exist in both.
EOS
) do |arguments|
  raise(Puppet::ParseError, "array_intersect(): 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_intersect(): expected array for parameter 1')
  end

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

  result = lhs & rhs
  return result
end