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Functions

Let’s learn about functions.

We'll cover the following...

The func keyword
Anonymous functions
Functions that return multiple values
- Coding example
- Let’s try our code

Tip: Functions must be as independent of each other as possible and must do one job (and only one job) well.

So, if we find ourselves writing functions that do multiple things, we might want to consider replacing them with multiple functions instead.

The `func` keyword

We should already know that all function definitions begin with the func keyword, followed by the function’s signature and its implementation and that functions accept zero or more arguments and return zero or more values back. The single most popular Go function is main(), which is used in every ...

Course Introduction

Introduction to Go

Basic Go Data Types

Composite Data Types

Reflection and Interfaces

Go Packages and Functions

Telling a UNIX System What to Do

Go Concurrency

Building Web Services

Working with TCP/IP and WebSocket

Working with REST APIs

Code Testing and Profiling

Working with gRPC

Go Generics

Conclusion

Appendix A—Go Garbage Collector

Functions

The `func` keyword

Functions

The func keyword

The `func` keyword