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67 lines
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67 lines
4.1 KiB
Markdown
# Go Patterns [![Awesome Widget]][Awesome] [![Travis Widget]][Travis] [![License Widget]][License]
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[Awesome Widget]: https://img.shields.io/badge/awesome-%E2%9C%93-ff69b4.svg?style=flat-square
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[Awesome]: https://github.com/sindresorhus/awesome
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[Travis Widget]: https://img.shields.io/travis/tmrts/awesome-google-cloud.svg?style=flat-square
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[Travis]: http://travis-ci.org/tmrts/go-patterns
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[License Widget]: https://img.shields.io/badge/license-Creative%20Commons%204.0-E91E63.svg?style=flat-square
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[License]: http://creativecommons.org/licenses/by/4.0/
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A curated collection of common patterns & idioms for Go.
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__Creational Patterns__:
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| Pattern | Description |
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|:-------:| ----------- |
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| [abstract_factory](abstract_factory.go) | use a generic function with specific factories |
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| [borg](borg.go) | a singleton with shared-state among instances |
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| [builder](builder.go) | instead of using multiple constructors, builder object receives parameters and returns constructed objects |
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| [factory_method](factory_method.go) | delegate a specialized function/method to create instances |
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| [lazy_evaluation](lazy_evaluation.go) | lazily-evaluated property pattern in Go |
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| [pool](pool.go) | preinstantiate and maintain a group of instances of the same type |
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| [prototype](prototype.go) | use a factory and clones of a prototype for new instances (if instantiation is expensive) |
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__Structural Patterns__:
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| Pattern | Description |
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|:-------:| ----------- |
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| [3-tier](3-tier.go) | data<->business logic<->presentation separation (strict relationships) |
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| [adapter](adapter.go) | adapt one interface to another using a white-list |
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| [bridge](bridge.go) | a client-provider middleman to soften interface changes |
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| [composite](composite.go) | encapsulate and provide access to a number of different objects |
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| [decorator](decorator.go) | wrap functionality with other functionality in order to affect outputs |
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| [facade](facade.go) | use one class as an API to a number of others |
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| [flyweight](flyweight.go) | transparently reuse existing instances of objects with similar/identical state |
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| [front_controller](front_controller.go) | single handler requests coming to the application |
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| [mvc](mvc.go) | model<->view<->controller (non-strict relationships) |
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| [proxy](proxy.go) | an object funnels operations to something else |
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__Behavioral Patterns__:
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| Pattern | Description |
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|:-------:| ----------- |
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| [chain](chain.go) | apply a chain of successive handlers to try and process the data |
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| [catalog](catalog.go) | general methods will call different specialized methods based on construction parameter |
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| [chaining_method](chaining_method.go) | continue callback next object method |
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| [command](command.go) | bundle a command and arguments to call later |
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| [mediator](mediator.go) | an object that knows how to connect other objects and act as a proxy |
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| [memento](memento.go) | generate an opaque token that can be used to go back to a previous state |
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| [observer](observer.go) | provide a callback for notification of events/changes to data |
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| [publish_subscribe](publish_subscribe.go) | a source syndicates events/data to 0+ registered listeners |
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| [registry](registry.go) | keep track of all subclasses of a given class |
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| [specification](specification.go) | business rules can be recombined by chaining the business rules together using boolean logic |
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| [state](state.go) | logic is organized into a discrete number of potential states and the next state that can be transitioned to |
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| [strategy](strategy.go) | selectable operations over the same data |
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| [template](template.go) | an object imposes a structure but takes pluggable components |
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| [visitor](visitor.go) | invoke a callback for all items of a collection |
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__Concurrency Patterns__:
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| Pattern | Description |
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|:-------:| ----------- |
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| [semaphore](semaphore.go) | data type for controlling access, to a common resource|
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# License
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[](http://creativecommons.org/licenses/by/4.0/)
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This work is licensed under a [Creative Commons Attribution 4.0 International License](http://creativecommons.org/licenses/by/4.0/).
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