Functional Adaptive Programming with DemeterF
نویسندگان
چکیده
In this paper we present a new functional traversal abstraction for processing OO data structures that decomposes traversal computation into three function objects and a traversal control function. Function objects compute and combine values over a general traversal while the control function allows programmers to limit the extent of a traversal. Our new abstraction is supported by a Java library, called DemeterF, that allows programmers to use OOP techniques to develop traversal related programs. The library provides a rich set of default traversal behavior and a multiple dispatch mechanism to match methods during data structure traversal. We demonstrate the usefulness of our library by developing a type checker and evaluator for a small functional OO language.
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