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A Core Quantitative Coeffect Calculus

  • Aloïs Brunel
  • Marco Gaboardi
  • Damiano Mazza
  • Steve Zdancewic
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8410)

Abstract

Linear logic is well known for its resource-awareness, which has inspired the design of several resource management mechanisms in programming language design. Its resource-awareness arises from the distinction between linear, single-use data and non-linear, reusable data. The latter is marked by the so-called exponential modality, which, from the categorical viewpoint, is a (monoidal) comonad.

Monadic notions of computation are well-established mechanisms used to express effects in pure functional languages. Less well-established is the notion of comonadic computation. However, recent works have shown the usefulness of comonads to structure context dependent computations. In this work, we present a language \(\ell \mathcal{R}\) PCF inspired by a generalized interpretation of the exponential modality. In \(\ell \mathcal{R}\) PCF the exponential modality carries a label—an element of a semiring \(\mathcal{R}\)—that provides additional information on how a program uses its context. This additional structure is used to express comonadic type analysis.

Keywords

Type System Natural Transformation Operational Semantic Linear Logic Observable Quantity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Aloïs Brunel
    • 1
  • Marco Gaboardi
    • 2
  • Damiano Mazza
    • 1
  • Steve Zdancewic
    • 3
  1. 1.CNRS, UMR 7030, LIPN, Sorbonne Paris CitéUniversité Paris 13France
  2. 2.University of DundeeUK
  3. 3.University of PennsylvaniaUSA

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