Go Course — Performance & Simplicity

1

Introduction to Go

Discover Go, the language created by Google for performance and simplicity

6 min

2

Variables and types

var, :=, string, int, float64, bool, const, pointers and structs

7 min

3

Conditions and loops

if with init statement, Go's single for loop in all its forms, and switch

9 min

4

Slices and maps

Slices (dynamic lists) with append and slicing, and key/value maps with comma-ok

10 min

5

Functions and errors

Multiple returns, if err != nil, defer, panic, recover: Go error handling

7 min

6

Methods and interfaces

Value/pointer receiver methods, implicit interfaces, polymorphism, error is an interface

10 min

7

Generics

Type parameters, constraints (any, comparable, ~), generic types, generics vs interface

9 min

8

Goroutines and channels

Concurrency with go, channels, select and sync.WaitGroup

13 min

9

Advanced concurrency

Pipelines, fan-out/fan-in, cancellation with context and goroutine leaks

11 min

10

HTTP and REST APIs

Web server, handlers, JSON and REST API with the standard library

8 min

11

Tests and benchmarks

Testing package, table-driven tests, benchmarks and code coverage

7 min