منابع مشابه
Gradual Liquid Type Inference
We present gradual liquid type inference, a novel combination of refinement types with gradual refinements that range over a finite set of SMT-decidable predicates. This finiteness restriction allows for an algorithmic inference procedure where all possibly valid interpretations of a gradual refinement are exhaustively checked. Thanks to exhaustive searching we can detect the safe concretizatio...
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Effect systems have the potential to help software developers, but their practical adoption has been very limited. We conjecture that this limited adoption is due in part to the difficulty of transitioning from a system where effects are implicit and unrestricted to a system with a static effect discipline, which must settle for conservative checking in order to be decidable. To address this hi...
متن کاملCall-by-name Gradual Type Theory
We present gradual type theory, a logic and type theory for call-by-name gradual typing. We define the central constructions of gradual typing (the dynamic type, type casts and type error) in a novel way, by universal properties relative to new judgments for gradual type and term dynamism, which were developed in blame calculi and to state the “gradual guarantee” theorem of gradual typing. Comb...
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Refinement type systems have been proposed by a number of researchers to sharpen the guarantees of existing type systems. Examples are systems that distinguish empty and non-empty lists by type, taint tracking and information flow control, dimension analysis, and many others. In each case, the type language is extended with annotations that either abstract semantic properties of values beyond t...
متن کاملType inference for MLj
MLj is an extension of the Standard ML language which allows interoperation with Java. It has a type system which combines ML’s parametric polymorphism and type inference with Java’s subtyping (class hierarchy) and arbitrary overloading of methods. In this paper, we discuss some of the difficulties in implementing type inference for MLj and outline our progress on the implementation. In particu...
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ژورنال
عنوان ژورنال: Proceedings of the ACM on Programming Languages
سال: 2018
ISSN: 2475-1421
DOI: 10.1145/3276502