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Design patterns in golang

A beginner guide... happy coding!

Table of Contents


Creational patterns

Creational design patterns abstract the instantiation process. They help make a system independent of how its objects are created, composed, and represented.

Singleton

Ensure a class only has one instance, and provide a global point of access to it.

Builder

Separate the construction of a complex object from its representation so that the same construction process can create different representations.

Factory

Define an interface for creating an object, but let subclasses decide which class to instantiate. Factory Method lets a class defer instantiation to subclasses.

Structural patterns

Structural patterns are concerned with how classes and objects are composed to form larger structures. Structural class patterns use inheritance to compose interfaces or implementations. As a simple example, consider how multiple inheritance mixes two or more classes into one.

Composition

Compose objects into tree structures to represent part-whole hierarchies. Composite lets clients treat individual objects and compositions of objects uniformly.

Behavioral patterns

Behavioral patterns are concerned with algorithms and the assignment of responsibilities between objects. Behavio ral patterns describe not just patterns of objects or classes but also the patterns of communication between them. These patterns characterize complex control flow that's difficult to follow at run-time. They shift your focus away from flow of control to let you concent ratejust on the way objects are interconnected.

Chain of responsibility

Avoid coupling the sender of a request to its receiver by giving more than one object a chance to handle the request. Chain the receiving objects and pass the request along the chain until an object handles it.

Strategy

Define a family oafl gorit h ms, encapsulate each one, and make them interchangeable. Strategy lets the algorithm vary independently from clients that use it.

Concurrency patterns

Pattenrs for concurrent work and parallel execution in Go.

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