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Contents
module Puppet::Parser::Functions
newfunction(:count, :type => :rvalue, :arity => -2, :doc => <<-EOS
Takes an array as first argument and an optional second argument.
Count the number of elements in array that matches second argument.
If called with only an array it counts the number of elements that are not nil/undef.
EOS
) do |args|
if (args.size > 2) then
raise(ArgumentError, "count(): Wrong number of arguments "+
"given #{args.size} for 1 or 2.")
end
collection, item = args
if item then
collection.count item
else
collection.count { |obj| obj != nil && obj != :undef && obj != '' }
end
end
end
Version data entries
43 entries across 43 versions & 4 rubygems