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Foundations of Path-Dependent Types

Publications associées (64)

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Implementing Higher-Kinded Types in Dotty

Martin Odersky, Guillaume André Fradji Martres, Dmytro Petrashko

dotty is a new, experimental Scala compiler based on DOT, the calculus of Dependent Object Types. Higher-kinded types are a natural extension of first-order lambda calculus, and have been a core construct of Haskell and Scala. As long as such types are jus ...

ACM2016

Call Graphs for Languages with Parametric Polymorphism

Martin Odersky, Vlad Ureche, Dmytro Petrashko

The performance of contemporary object oriented languages depends on optimizations such as devirtualization, inlining, and specialization, and these in turn depend on precise call graph analysis. Existing call graph analyses do not take advantage of the in ...

2016

SMT-Based Checking of Predicate-Qualified Types for Scala

Viktor Kuncak, Georg Stefan Schmid

We present qualified types for Scala, a form of refinement types adapted to the Scala language. Qualified types allow users to refine base types and classes using predicate expressions. We implemented a type checker for qualified types that is embedded in ...

Assoc Computing Machinery2016

Compile-Time Type-Driven Data Representation Transformations in Object-Oriented Languages

Vlad Ureche

High-level languages allow programmers to express data structures and algorithms that abstract over the type of data they handle. This improves code reuse and makes it possible to develop general-purpose libraries. Yet, data abstractions slow down program ...

EPFL2015

Spores: A Type-Based Foundation for Closures in the Age of Concurrency and Distribution

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Functional programming (FP) is regularly touted as the way forward for bringing parallel, concurrent, and distributed programming to the mainstream. The popularity of the rationale behind this viewpoint (immutable data transformed by function application) ...

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Linearizability Is Not Always a Safety Property

Rachid Guerraoui, Eric Ruppert

We show that, in contrast to the general belief in the distributed computing community, linearizability, the celebrated consistency property, is not always a safety property. More specifically, we give an object for which it is possible to have an infinite ...

Springer International Publishing2014

Spores, Formally

Philipp Haller

2013

Scala.js: Type-Directed Interoperability with Dynamically Typed Languages

Sébastien Jean R Doeraene

Interoperability between statically typed and dynamically typed languages is increasingly important, as can be witnessed by the many statically typed languages targeting JavaScript. Interoperating with both the object-oriented and functional features of Ja ...

2013

Scala Macros: Let Our Powers Combine!

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Compile-time metaprogramming has been proven immensely useful enabling programming techniques such as language virtualization, embedding of external DSLs, self-optimization, and boilerplate generation amongst many others. In the recent production release o ...

2013

Dependent Object Types

Martin Odersky, Nada Amin

We propose a new type-theoretic foundation of Scala and languages like it: the Dependent Object Types (DOT) calculus. DOT models Scala’s path-dependent types, abstract type members and its mixture of nominal and structural typing through the use of reﬁneme ...

2012