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Duck typing. In computer programming, duck typing is an application of the duck test —"If it walks like a duck and it quacks like a duck, then it must be a duck"—to determine whether an object can be used for a particular purpose.
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- Duck typing - Simple English Wikipedia, the free encyclopedia
Duck typing. In computer programming with object-oriented...
- Monkey patch - Wikipedia
http://en.wikipedia.org/wiki/Duck_typing. duck typing is a style of dynamic typing in which an object's current set of methods and properties determines the valid semantics, rather than its inheritance from a particular class or implementation of a specific interface.
Code sample
template <typename T>void f(T x) { x.Quack(); }People also ask
What is the difference between structural typing and duck typing?
What is duck typing?
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Dec 9, 2023 · Duck typing is a way of programming in which an object's type is not important as long as it behaves as expected. Learn the origin, advantages, disadvantages and examples of duck typing in Python, Scala, C# and other languages. Compare duck typing with structural typing and goose typing.
鸭子类型 （英語： duck typing ）在 程序设计 中是 动态类型 的一种风格。 在这种风格中，一个物件有效的语义，不是由继承自特定的类或实现特定的接口，而是由「当前 方法 和属性的集合」决定。 这个概念的名字来源于由 詹姆斯·惠特科姆·莱利 （英语：James Whitcomb Riley） 提出的 鸭子测试 （见下面的“ 历史 ”章节），“鸭子测试”可以这样表述： “当看到一只鸟走起来像鸭子、游泳起来像鸭子、叫起来也像鸭子，那么这只鸟就可以被称为鸭子。 ” [1] [2] 在鸭子类型中，关注点在于物件的行为，能做什么；而不是关注物件所属的类型。 例如，在不使用鸭子类型的语言中，我们可以编写一个函数，它接受一个类型为「鸭子」的物件，并调用它的「走」和「叫」方法。
What Is Duck Typing? Many explanations of Duck Typing start with the same quote, “If it walks like a duck and it quacks like a duck, then it must be a duck” but what exactly does that mean? Well, this explanation is creating an analogy between an object and its properties and methods to a duck and its features. The object being the
Structural systems are used to determine if types are equivalent and whether a type is a subtype of another. It contrasts with nominative systems, where comparisons are based on the names of the types or explicit declarations, and duck typing, in which only the part of the structure accessed at runtime is checked for compatibility.
