Jira (PUP-5712) TypeParser cannot handle negative numbers

Title: Message Title

PUP-5712

That ruby function is:
a) Not written to use the 4.x API
b) Does not use a 4.x dispatcher that asserts the types of the parameters.

You need to place a function under 'lib/functions' instead of under 'lib/parser/functions' and it must contain a dispatcher. So something like this:

Puppet::Functions.create_function(:test_negative) do

  dispatch :test_negative do

    param 'Integer[-1, default]', :negative

end

  def test_negative(negative)

     negative

end

end

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