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We reduce JavaScript to a core calculus structured as a small-step operational semantics. We present several peculiarities of the language and show that our calculus models them. We explicate the desugaring process that turns JavaScript programs into ones in the core. We demonstrate faithfulness to JavaScript using real-world test suites. Finally, we illustrate utility by defining a security pr...
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Functional programmers from all horizons strive to use, and sometimes abuse, their favorite type system in order to capture the invariants of their programs. A widely-used tool in that trade consists in defining finely-indexed datatypes. Operationally, these types classify the programmer’s data, following the ML tradition. Logically, these types enforce the program invariants in a novel manner....
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In the construction of a large software system, it is inevitable that some aspects of program behavior will cut across the structure of the code. The changes that are needed to support a new feature, for example, may be spread across several different points in the original program, making them harder to maintain and harder to reuse. The designers of “aspect-oriented” programming languages aim ...
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ژورنال
عنوان ژورنال: Science
سال: 1896
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.3.65.470