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# frozen_string_literal: true
#
# reverse.rb
#
module Puppet::Parser::Functions
newfunction(:reverse, type: :rvalue, doc: <<-DOC
@summary
Reverses the order of a string or array.
@return
reversed string or array
> *Note:* that the same can be done with the reverse_each() function in Puppet.
DOC
) do |arguments|
raise(Puppet::ParseError, "reverse(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
value = arguments[0]
raise(Puppet::ParseError, 'reverse(): Requires either array or string to work with') unless value.is_a?(Array) || value.is_a?(String)
result = value.reverse
return result
end
end
# vim: set ts=2 sw=2 et :
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