Puppet::Parser::Functions::newfunction(
:fail,
:arity => -1,
:doc => <<DOC
Fail with a parse error. Any parameters will be stringified,
concatenated, and passed to the exception-handler.
DOC
) do |vals|
vals = vals.collect { |s| s.to_s }.join(" ") if vals.is_a? Array
raise Puppet::ParseError, vals.to_s
end