Go

Basics of Go language

Lessons

#	Topic	Description
01	Hello World	Your first Go program - printing "Hello World" to the console
02	Variables	Learn Go data types (string, int, float, bool, etc.), variable declaration using var, const, and shorthand :=
03	Packages	Import and use built-in packages (fmt, math) and create custom packages (utils module)
04	Functions	Define functions with parameters and return types; function calls and basic arithmetic operations
05	Arrays & Slices	Fixed-size arrays vs dynamic slices; indexing, slicing, and length operations
06	Conditionals	If/else statements and switch cases for control flow
07	Loops	For loop variations: condition-based, C-style, and practical examples (FizzBuzz)
08	Maps	Key-value pairs; creating, accessing, deleting map entries; checking map length
09	Range	Iterating over slices and maps using the range keyword with index and value
10	Pointers	Memory addresses, dereferencing with *, and modifying values through pointers
11	Closures	Anonymous functions and closures - functions that access outer scope variables
12	Structs	Custom data types, struct methods, value/pointer receivers, and modifying struct state
13	Interfaces	Define contracts with interfaces; implement multiple types satisfying the same interface
14	Web	Basic HTTP server with route handlers using the net/http package

Quick Start

Build and run any lesson:

go run src/01_hello/main.go
go run src/02_variables/main.go
# ... etc

Or build a binary:

go build -o bin/hello src/01_hello/main.go