Welcome! Let's learn about Go Types, specifically Interface Types, a little bit of Functions and Methods; and why all of those types are somehow interconnected.
* What is an Interface in Go?
An interface type is defined as a set of method signatures, a value of interface type can hold any value that implements those methods.
* How to implement Interfaces in Go?
Compared to other programming languages, a type implements an interface IMPLICITLY by implementing the methods; there's no need to refer to the original interface, there's no concept of "extends" or "implements". This means the actual concrete implementation of a type could appear in any other package without prearrangement.
In a future episode I will discuss more about interfaces and types in Go like:
* Empty interface "interface{}",
* nil interfaces,
* Type assertions, and
* Type switches
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* Golang Microservices: Repository Pattern, Dependency Injection and Services: [ Ссылка ]
* int8 var value can not be assigned to Priority var value: [ Ссылка ]
* Service Package Interface Types: [ Ссылка ]
* Binary Uses Concrete Types as Dependency Injection: [ Ссылка ]
* Playlist "Learning Golang": [ Ссылка ]
* Playlist "Building Microservices in Go/Golang": [ Ссылка ]
* Playlist "Golang Tools and Packages": [ Ссылка ]
* Playlist "Testing in Go": [ Ссылка ]
00:00 - Start
00:10 - Introduction: What is a Type (Basic/Composite) in Golang?
01:00 - Functions and Methods in Golang - Example
03:45 - What is an Interface Type?
06:66 - What about interface{}, type assertions?
07:10 - Conclusion
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Who am I:
Hello👋🏼! I'm Mario, a Hands-on Software Architect and Lead Backend Engineer with more than 16 years of professional experience building all kinds of software including on-premise Industrial Automation Systems, Linux Accessibility Desktop and Browser Components as well as Distributed Advertising Microservices.
Every week I will share with you different topics I've learned while working for small startups and large companies including the processes I've followed over the years for successfully delivering complex enterprise systems from start to end.
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#golang #microservices #programming
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