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#
# reverse.rb
#
module Puppet::Parser::Functions
newfunction(:reverse, :type => :rvalue, :doc => <<-EOS
Reverses the order of a string or array.
EOS
) do |arguments|
raise(Puppet::ParseError, "reverse(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
value = arguments[0]
klass = value.class
unless [Array, String].include?(klass)
raise(Puppet::ParseError, 'reverse(): Requires either ' +
'array or string to work with')
end
result = value.reverse
return result
end
end
# vim: set ts=2 sw=2 et :
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