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