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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Ad hoc : overloading and language design

Kilpatrick, Scott Lasater, 1984- 20 December 2010 (has links)
The intricate concepts of ad-hoc polymorphism and overloading permeate the field of programming languages despite their somewhat nebulous definitions. With the perspective afforded by the state of the art, object-oriented Fortress programming language, this thesis presents a contemporary account of ad-hoc polymorphism and overloading in theory and in practice. Common language constructs are reinterpreted with a new emphasis on overloading as a key facility. Furthermore, concrete problems with overloading in Fortress, encountered during the author's experience in the development of the language, are presented with an emphasis on the ad hoc nature of their solutions. / text
2

Typer a de la classe : le polymorphisme ad hoc dans un langage avec des types dépendants et de la métaprogrammation

Barszcz, Jean-Alexandre 05 1900 (has links)
La modularité est un enjeu important en programmation, surtout quand on l’enrichit avec des preuves, comme dans les langages avec des types dépendants. Typer est un tel langage, et afin d’augmenter sa modularité et de lui ajouter un moyen de faire la surcharge d’opérateurs, on s’inspire d’Agda et Coq et on l’étend avec les arguments instances, qui généralisent les classes de types de Haskell. Un aspect qui distingue notre conception est que comme Typer généralise les définitions, la généralisation des contraintes de classe est grandement facilitée. Pour pouvoir faire les preuves de lois de classes, on doit également ajouter l’élimination dépendante des types inductifs au langage, dont certains aspects sont en retour facilités par les arguments instances. Sur la base de ces deux fonctionnalités, on offre également une solution au problème de la cécité booléenne, tel que décrit par Harper. / Modularity is an important concern for software development, especially when the latter is enriched with proofs in a language with dependent types. Typer is such a language, and in order to increase its modularity, and also provide a way to overload operators, we take inspiration from Agda and Coq and extend it with instance arguments, a generalization of Haskell’s type classes. An aspect that sets our design apart is that since Typer generalizes definitions, it greatly simplifies the generalization of class constraints. In order to allow writing proofs for class laws, we must also implement the dependent elimination of inductive types. In return, instance arguments facilitate some details of dependent elimination. Using both features, we suggest a solution to the problem of Boolean Blindness.

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