#
# size.rb
#
-
module Puppet::Parser::Functions
- newfunction(:size, :type => :rvalue, :doc => <<-EOS
-Returns the number of elements in a string, an array or a hash
- EOS
- ) do |arguments|
+ newfunction(:size, :type => :rvalue, :doc => <<-DOC
+ @summary
+ Returns the number of elements in a string, an array or a hash
+
+ @return
+ the number of elements in a string, an array or a hash
- raise(Puppet::ParseError, "size(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.size < 1
+ > *Note:* that since Puppet 5.4.0, the length() function in Puppet is preferred over this. For versions
+ of Puppet < 5.4.0 use the stdlib length() function.
+ DOC
+ ) do |arguments|
+
+ raise(Puppet::ParseError, "size(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
item = arguments[0]
Float(item)
raise(Puppet::ParseError, 'size(): Requires either string, array or hash to work with')
-
rescue ArgumentError
result = item.size
end