Proving Type Class Laws in Haskell

dc.contributor.authorArvidsson, Andreas
dc.contributor.authorTouche, Robin
dc.contributor.departmentChalmers tekniska högskola / Institutionen för data- och informationsteknik (Chalmers)sv
dc.contributor.departmentChalmers University of Technology / Department of Computer Science and Engineering (Chalmers)en
dc.description.abstractType classes in Haskell are a way to ensure both the programmer and the compiler that a set of functions are defined for a specific data type. Each instance of such functions is often expected to behave in a certain way and satisfy laws associated with the respective class. These are commonly stated in comments and as such there is no real way to enforce this behavior other than by rigorous testing. This thesis presents a tool able to prove such laws using induction and external theorem provers. The tool is an extension of an already existing system, HipSpec, with the added functionality of being able to handle type classes. Using this extended HipSpec, users can automatically prove laws for instances of built-in type classes, as well as de ne and prove laws for their own type classes. We discover that this is a very promising approach which has several advantages over similar systems.
dc.subjectData- och informationsvetenskap
dc.subjectInformations- och kommunikationsteknik
dc.subjectComputer and Information Science
dc.subjectInformation & Communication Technology
dc.titleProving Type Class Laws in Haskell
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster Thesisen
local.programmeComputer science – algorithms, languages and logic (MPALG), MSc
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