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module Puppet::Parser::Functions
newfunction(:validate_array, :doc => <<-'ENDHEREDOC') do |args|
Validate that all passed values are array data structures. Abort catalog
compilation if any value fails this check.
The following values will pass:
$my_array = [ 'one', 'two' ]
validate_array($my_array)
The following values will fail, causing compilation to abort:
validate_array(true)
validate_array('some_string')
$undefined = undef
validate_array($undefined)
ENDHEREDOC
unless args.length > 0 then
raise Puppet::ParseError, ("validate_array(): wrong number of arguments (#{args.length}; must be > 0)")
end
args.each do |arg|
unless arg.is_a?(Array)
raise Puppet::ParseError, ("#{arg.inspect} is not an Array. It looks to be a #{arg.class}")
end
end
end
end
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