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The uniform access principle of computer programming was put forth by Bertrand Meyer (originally in Object-Oriented Software Construction). It states "All services offered by a module should be available through a uniform notation, which does not betray whether they are implemented through storage or through computation." This principle applies generally to the syntax of object-oriented programming languages. In simpler form, it states that there should be no syntactical difference between working with an attribute, pre-computed property, or method/query of an object. While most examples focus on the "read" aspect of the principle (i.e., retrieving a value), Meyer shows that the "write" implications (i.e., modifying a value) of the principle are harder to deal with in his monthly column on the Eiffel programming language official website. (en) 计算机编程的统一访问原则是由伯特蘭·邁耶在《》中提出。它指出“一个模块提供的所有服务都应该通过统一的符号提供，与它们是通过存储还是通过计算实现无关”。这个原则普遍适用于面向对象编程语言的语法。使用属性、预先计算的属性或对象的方法/查询实现，调用时没有语法差异。 虽然大多数示例都聚焦在该原则的“读取”方面（即检索值），但伯特蘭·邁耶表示，该原则“写入”（即修改值）方面更难实现。 (zh) |
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计算机编程的统一访问原则是由伯特蘭·邁耶在《》中提出。它指出“一个模块提供的所有服务都应该通过统一的符号提供，与它们是通过存储还是通过计算实现无关”。这个原则普遍适用于面向对象编程语言的语法。使用属性、预先计算的属性或对象的方法/查询实现，调用时没有语法差异。 虽然大多数示例都聚焦在该原则的“读取”方面（即检索值），但伯特蘭·邁耶表示，该原则“写入”（即修改值）方面更难实现。 (zh) The uniform access principle of computer programming was put forth by Bertrand Meyer (originally in Object-Oriented Software Construction). It states "All services offered by a module should be available through a uniform notation, which does not betray whether they are implemented through storage or through computation." This principle applies generally to the syntax of object-oriented programming languages. In simpler form, it states that there should be no syntactical difference between working with an attribute, pre-computed property, or method/query of an object. (en) |
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Uniform access principle (en) 统一访问原则 (zh) |
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