ruby mixin

Directly run the Code: Module action def jump @ distance = rand (4) + 2 puts "I jumped forward # {@ DISTANCE} feet! "Endendclass rabbit include action attr_reader: Name def initialize (name) @ name = Name endclass cricket include action attr_reader: Name def initialize (name) @ name = Name endendpeter = rabbit. new ("Peter") Jiminy = cricket. new ("Jiminy") Peter. jumpjiminy. jump ---------------------------------------------------------------------- output: I jumped forward 3 feet! I jumped for

. If the behavior is diverse, use interface-based programming. At the same time, the Reflection Characteristics of Java are used, and IOC container is used to automate injection according to configuration. 3. Ruby relies on its own dynamic features to directly build the Mixin feature in the language.Module greetable Def greet Puts "your age is," + self. Age End End Class personInclude greetableDef initiali

When we talk about inheritance, we usually separate them into interface inheritance and implementation inheritance. For single inheritance, it is easy to understand and use both implement inheritance and interface inheritance. Even so, in C ++'s book, we still mentioned that when we inherit a class, we should not only think of inherited implementations, but also inherit interfaces together. Multi-inheritance is even more complex, and it is easy to go to the strange circle of diamond inherit

Day 3Learning to enter the third day, today plans to learn modules, collections and Simple file operations.3.1Mixin ModuleObject-oriented languages use inheritance to propagate behavior to similar objects. Specific to the language, C + + uses a multi-inheritance, but too complex, Java uses interface, and Ruby chooses to use the module, first look at the code:Module ToFile def filename"Object_#{self.object_id}.txt" Enddef To_ffile= File.Open(FileNam

When browsing tornado code, the classes in auth are named after Mixin. this word is strange. I checked the information. someone explained that Mixin is mixin, which is similar to multi-inheritance. The auth module implements OpenID and OAuth. Why does it use the Mixin method? What are the application scenarios of

no longer afraid to add new Duck subclasses-if the new Duck subclass requires a new flight method, we only need to add another implementation class of the FlyBehavior interface. This is a perfect design! Of course, it seems a little complicated, if you have to pick out something wrong.Download source code: Strategy.rar(VS2005 console Project) 4th designs: Use Mixin Mixin was once a dedicated secret technol

Original article: Are yourMixins ecmascript 5 compatible? Author: Nicholas C. zakas YourIs Mixin compatible with ecmascript 5? Translator: justjavac I haven't updated my blog for a long time. Today I saw this blog in nczonline, So I translated it as soon as possible. The level of English is limited. You can refer to the following text: Ecmascript 5, which I recently worked with clients, needs to be fully utilized. I encountered a very interesting prob

I recently worked on a project with a client that needs to be fully utilized by ECMAScript 5, where I met a very interesting question. The problem stems from a very common pattern: mixin, which mixin the attributes or methods of an object to another in JavaScript. Most mixin features look like this: Copy Code code as follows: function

ECMAScript 5, which I recently worked with clients, needs to be fully utilized. I encountered a very interesting problem here. This problem stems from a very common pattern: mixin, that is, adding the attribute or method of an object to the other in JavaScript. Most mixin functions look like this: Copy codeThe Code is as follows: function mixin (receiver, suppli

Many articles in the country are saying that the mixin mechanism of groovy language is the categories mechanism of groovy language. In fact, on the outside of the blog, a large number of people discussing how groovy language should implement its own mixin mechanism, which is that the mixin mechanism of the groovy language has not yet stereotypes, in the discussio

The Mixin mode can also be seen as a combination mode, which combines the functions of multiple classes to generate a class without inheritance, the following describes how to use the Mixin design pattern to program Python: The Mixin pattern is a pattern that is frequently used in python. appropriate and reasonable applications can achieve code reuse, the purpose

[Translate] Mixin network See the Li Huilai teacher led Mixin, also carefully review the Mixin white Paper, decided to translate over Click here to view the originalConstructs one of the largest and developer-friendly mobile blockchain networks, connecting all existing blockchain, unlimited throughput.Contents (catalogue) Motivation Des

?? In order to separate the business logic code and reuse the related business logic within the component, several schemes such as Mixin, hoc, and render props are released in sequence for code reuse in the react iteration. In addition, for function components, the hooks concept is proposed in react v16.7.0-Alpha. In stateless function components, an independent state space is introduced, that is, in function components, you can also introduce the sta

This article mainly describes the ECMAScript 5 that needs to be fully utilized in JavaScript by bringing the attribute or method mixin of an object to another project I recently worked with the customer, I encountered a very interesting problem here. This problem stems from a very common pattern: mixin, that is, adding the attribute or method of an object to the other in JavaScript. Most

to your class. These methods are delegated to the AOP framework, but Need to use interceptors or implementations for maintenance, otherwise nullpointerexception will be thrown. Mixin It up The introduction of the interface is only limited to you, when implementing the interface, if your class is not implemented, use the internal interceptor or implementation to implement. This A place is where the mixin

, the ability to fly is the property of the aircraft, through the inheritance interface to obtain.Back to the topic, the Python language can have no interface functionality, but it can inherit multiple. Is Python supposed to be implemented with multiple inheritance? Yes, it's not. That is, because syntactically, it is true through multiple inheritance. Say no, because its inheritance still abide by "is-a" relationship, from the meaning of still follow the principle of single inheritance. How doe

Getting the security of single inheritance programming in the Java language costs a lot: Sometimes you have to copy code along multiple paths in the inheritance hierarchy. To regain the majority of the representations lost in the single inheritance Java code, we can make the mixin set an extension. This month, Eric Allen explains the concepts of mixin (those classes that are parameterized by their parent cl

Mixin literacy classLai Yong Hao (http://blog.csdn.net/lanphaday) Statement: This article is suitable for junior and intermediate Python programmers to read, in addition to the wording of this article may cause reader discomfort, please PG. IntroductionWell, why do you want to talk about Mixin? Because of the appearance of a Mixin, like many people in the C ++ co

ECMAScript 5, which I recently worked with clients, needs to be fully utilized. I encountered a very interesting problem here. This problem stems from a very common pattern: mixin, that is, adding the attribute or method of an object to the other in JavaScript. Most mixin functions look like this: Copy codeThe Code is as follows:Function mixin (receiver, supplier

Copy/pasting the same code is redundant and updating copy/pasted code slows development velocity. Mixins is reusable chunks of code that is included, similar to calling a function, instead of copy/pasted.Mixins has some nice features:-Arguments just like functions.-Arguments can have default values and optional values.-Named arguments allow us to use optional and default arguments when the Mixin is included.-Variable arguments allow us to has a dynami