4 module Puppet::Parser::Functions
5 newfunction(:empty, :type => :rvalue, :doc => <<-DOC
7 **Deprecated:** Returns true if the variable is empty.
10 Returns `true` if the argument is an array or hash that contains no elements,
11 or an empty string. Returns `false` when the argument is a numerical value.
13 > *Note*: **Deprecated** from Puppet 5.5.0, the built-in
14 [`empty`](https://puppet.com/docs/puppet/6.4/function.html#empty) function will be used instead.
18 raise(Puppet::ParseError, "empty(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
21 unless value.is_a?(Array) || value.is_a?(Hash) || value.is_a?(String) || value.is_a?(Numeric)
22 raise(Puppet::ParseError, 'empty(): Requires either array, hash, string or integer to work with')
25 return false if value.is_a?(Numeric)
31 # vim: set ts=2 sw=2 et :