Arrays of objects

Morten Kromberg
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引用次数: 2

Abstract

This paper discusses key design decisions faced by a language design team while adding Object Oriented language features to Dyalog, a modern dialect of APL. Although classes and interfaces are first-class language elements in the new language, and arrays can both contain and be contained by objects, arrays are not objects. The use of object oriented features is optional, and users can elect to remain entirely in the functional and array paradigms of traditional APL. The choice of arrays as a "higher" level of organization allows APL's elegant notation for array manipulation to extend smoothly to arrays of objects.
对象数组
本文讨论了语言设计团队在向Dyalog(一种现代APL方言)添加面向对象语言特性时所面临的关键设计决策。尽管在新语言中,类和接口是一等语言元素,数组既可以包含对象,也可以被对象所包含,但数组不是对象。面向对象特性的使用是可选的,用户可以选择完全保留传统APL的函数和数组范例。选择数组作为“更高”层次的组织,允许APL用于数组操作的优雅表示法平滑地扩展到对象数组。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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