License: Creative Commons Attribution 3.0 Unported license (CC BY 3.0)
When quoting this document, please refer to the following
DOI: 10.4230/DARTS.6.2.14
URN: urn:nbn:de:0030-drops-132117
URL: http://dagstuhl.sunsite.rwth-aachen.de/volltexte/2020/13211/
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Nieto, Abel ; Zhao, Yaoyu ; Lhoták, Ondřej ; Chang, Angela ; Pu, Justin

Scala with Explicit Nulls (Artifact)

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DARTS-6-2-14.pdf (0.3 MB)

Abstract

This artifact is a companion to the paper "Scala with Explicit Nulls", where we present a modification to the Scala type system that makes nullability explicit in the types. Specifically, we make reference types non-nullable by default, while still allowing for nullable types via union types.
The artifact contains an implementation of this new type system design as a fork of the Dotty (Scala 3) compiler. Additionally, the artifact contains the source code of multiple Scala libraries that we used to evaluate our design.

BibTeX - Entry

@Article{nieto_et_al:DARTS:2020:13211,
  author =	{Abel Nieto and Yaoyu Zhao and Ondřej Lhot{\'a}k and Angela Chang and Justin Pu},
  title =	{{Scala with Explicit Nulls (Artifact)}},
  pages =	{14:1--14:2},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2020},
  volume =	{6},
  number =	{2},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/opus/volltexte/2020/13211},
  URN =		{urn:nbn:de:0030-drops-132117},
  doi =		{10.4230/DARTS.6.2.14},
  annote =	{Keywords: Scala, Java, nullability, language interoperability, type systems}
}

Keywords: Scala, Java, nullability, language interoperability, type systems
Collection: DARTS, Volume 6, Issue 2, Special Issue of the 34th European Conference on Object-Oriented Programming (ECOOP 2020)
Related Scholarly Article: https://doi.org/10.4230/LIPIcs.ECOOP.2020.25
Issue Date: 2020
Date of publication: 06.11.2020

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