Short lessons on Go with code you can run in your browser. Follow a path from the basics, then practice with challenges.
Follow a path: short lessons first, then a challenge to check you can use the idea on your own.
From your first program to variables, types, conditions, loops, strings, slices, maps and functions, with a challenge after each topic.
Structs, methods, pointers, interfaces, embedding, errors and generics.
Goroutines, channels, select, Mutex, worker pools and context.
defer, panic and recover, closures, JSON, sorting, and runes and bytes.
Ten short exercises: FizzBuzz, Fibonacci, primes, strings, binary search and a bank account.
Write your first Go program and learn what package main, import and func main do.
View lesson →Declare variables with var and :=, and fixed values with const.
View lesson →Use arithmetic, comparison and logical operators, and see how integer division works.
View lesson →Define functions, return more than one value and accept any number of arguments.
View lesson →