Method: Puppet::Pops::Types::TypeMismatchDescriber#describe_PVariantType

Defined in:
lib/puppet/pops/types/type_mismatch_describer.rb

#describe_PVariantType(expected, original, actual, path) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/puppet/pops/types/type_mismatch_describer.rb', line 737

def describe_PVariantType(expected, original, actual, path)
  variant_descriptions = []
  types = expected.types
  types = [PUndefType::DEFAULT] + types if original.is_a?(POptionalType)
  types.each_with_index do |vt, index|
    d = describe(vt, actual, path + [VariantPathElement.new(index)])
    return EMPTY_ARRAY if d.empty?

    variant_descriptions << d
  end
  descriptions = merge_descriptions(path.length, SizeMismatch, variant_descriptions)
  if original.is_a?(PTypeAliasType) && descriptions.size == 1
    # All variants failed in this alias so we report it as a mismatch on the alias
    # rather than reporting individual failures of the variants
    [TypeMismatch.new(path, original, actual)]
  else
    descriptions
  end
end