@Article{madsen_et_al:DARTS.9.2.12,
  author =	{Madsen, Magnus and Starup, Jonathan Lindegaard and Lutze, Matthew},
  title =	{{Restrictable Variants: A Simple and Practical Alternative to Extensible Variants (Artifact)}},
  pages =	{12:1--12:3},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2023},
  volume =	{9},
  number =	{2},
  editor =	{Madsen, Magnus and Starup, Jonathan Lindegaard and Lutze, Matthew},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.9.2.12},
  URN =		{urn:nbn:de:0030-drops-182521},
  doi =		{10.4230/DARTS.9.2.12},
  annote =	{Keywords: restrictable variants, extensible variants, refinement types, Boolean unification}
}