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Contents
module Puppet::Parser::Functions
newfunction(:delete_undef_values, :type => :rvalue, :doc => <<-EOS
Returns a copy of input hash or array with all undefs deleted.
*Examples:*
$hash = delete_undef_values({a=>'A', b=>'', c=>undef, d => false})
Would return: {a => 'A', b => '', d => false}
$array = delete_undef_values(['A','',undef,false])
Would return: ['A','',false]
EOS
) do |args|
raise(Puppet::ParseError,
"delete_undef_values(): Wrong number of arguments given " +
"(#{args.size})") if args.size < 1
unless args[0].is_a? Array or args[0].is_a? Hash
raise(Puppet::ParseError,
"delete_undef_values(): expected an array or hash, got #{args[0]} type #{args[0].class} ")
end
result = args[0].dup
if result.is_a?(Hash)
result.delete_if {|key, val| val.equal? :undef}
elsif result.is_a?(Array)
result.delete :undef
end
result
end
end
Version data entries
21 entries across 21 versions & 2 rubygems