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GPCE 2019
Sun 20 - Fri 25 October 2019 Athens, Greece
co-located with SPLASH 2019
Mon 21 Oct 2019 15:00 - 15:20 at Ground floor conference room - Meta Chair(s): Shigeru Chiba

This paper introduces polymorphic extractors, a technique for tackling two main issues with the existing pattern matching implemented in functional languages. First, this technique defines semantical pattern matching rather than a syntactical one. Second, this technique solves the portability issue when defining a set of patterns based on different underlying data-structure design choices. Furthermore, polymorphic extractors can be further improved by performing optimisations and multi-stage programming on them. The key technique behind polymorphic extractors is using the tagless-final technique (a.k.a. polymorphic embedding/object algebra) for defining different views or extractors over expression terms.

Mon 21 Oct
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14:00 - 15:30
MetaGPCE 2019 at Ground floor conference room
Chair(s): Shigeru ChibaGraduate School of Information Science and Technology, The University of Tokyo
14:00
30m
Talk
A Stage-Polymorphic IR for Compiling MATLAB-Style Dynamic Tensor Expressions
GPCE 2019
Alen StojanovETH Zurich, Tiark RompfPurdue University, Markus PüschelETH Zürich
14:30
30m
Talk
Reflection in Attribute Grammars
GPCE 2019
Lucas KramerUniversity of Minnesota, Ted KaminskiUniversity of Minnesota, Eric Van WykUniversity of Minnesota, USA
DOI Pre-print
15:00
20m
Talk
Polymorphic Extractors for Semantic and Portable Pattern Matching (Short Paper)
GPCE 2019
Amir ShaikhhaUniversity of Oxford