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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Strictness Meets Data Flow
verfasst von : Tom Schrijvers, Alan Mycroft
Erschienen in: Static Analysis
Verlag: Springer Berlin Heidelberg
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Properties of programs can be formulated using various techniques: dataflow analysis, abstract interpretation and type-like inference systems. This paper reconstructs strictness analysis (establishing when function parameters are evaluated in a lazy language) as a dataflow analysis by expressing the dataflow properties as an effect system. Strictness properties so expressed give a clearer operational understanding and enable a range of additional optimisations including
implicational strictness
. At first order strictness effects have the expected principality properties (best-property inference) and can be computed simply.