puppetlabs-stdlib/lib/puppet/parser/functions/values.rb

39 lines
694 B
Ruby

#
# values.rb
#
module Puppet::Parser::Functions
newfunction(:values, :type => :rvalue, :doc => <<-EOS
When given a hash this function will return the values of that hash.
*Examples:*
$hash = {
'a' => 1,
'b' => 2,
'c' => 3,
}
values($hash)
This example would return:
[1,2,3]
EOS
) do |arguments|
raise(Puppet::ParseError, "values(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
hash = arguments[0]
unless hash.is_a?(Hash)
raise(Puppet::ParseError, 'values(): Requires hash to work with')
end
result = hash.values
return result
end
end
# vim: set ts=2 sw=2 et :