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