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External Uniqueness Is Unique Enough

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ECOOP 2003 – Object-Oriented Programming (ECOOP 2003)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2743))

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Abstract

External uniqueness is a surprising new way to add unique references to an OOPL. The idea is that an externally unique reference is the only reference into an aggregate from outside the aggregate. Internal references which do not escape the boundary of the aggregate are innocuous and therefore permitted. Based on ownership types, our proposal not only overcomes an abstraction problem from which existing uniqueness proposals suffer, it also enables many examples which are inherently not unique, such as a unique reference to a set of links in a doubly-linked list, without losing the benefits of uniqueness.

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Author information

Authors and Affiliations

  1. Institute of Information and Computing Sciences, Utrecht University, Utrecht, The Netherlands

    Dave Clarke

  2. Department of Computer and Systems Sciences, Stockholm University/KTH, Stockholm, Sweden

    Tobias Wrigstad

Authors
  1. Dave Clarke
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  2. Tobias Wrigstad
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Editor information

Editors and Affiliations

  1. Microsoft Research,  

    Luca Cardelli

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© 2003 Springer-Verlag Berlin Heidelberg

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Clarke, D., Wrigstad, T. (2003). External Uniqueness Is Unique Enough. In: Cardelli, L. (eds) ECOOP 2003 – Object-Oriented Programming. ECOOP 2003. Lecture Notes in Computer Science, vol 2743. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-45070-2_9

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  • DOI: https://doi.org/10.1007/978-3-540-45070-2_9

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-40531-3

  • Online ISBN: 978-3-540-45070-2

  • eBook Packages: Springer Book Archive

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