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Go Fundamentals

From Hello, world to slices, structs, and if err != nil.

Learn Go from scratch: packages, types, control flow, functions, slices, maps, structs, and error handling. Covers zero values, := quirks, and why Go has one loop. Every lesson runs in a real Go sandbox.

Beginner9 lessons~6h
0/9 complete

Course content

Getting Started

  • ○Hello, Go (and package main)10 min

Core Syntax

  • ○Variables, Types & Zero Values15 min
  • ○if, for, and switch (The Only Loop)15 min

Functions

  • ○Functions & Multiple Returns15 min

Collections

  • ○Slices: len, cap, append & Shared Backing18 min
  • ○Maps, Structs & JSON Tags Preview18 min

Robustness

  • ○Errors as Values (if err != nil)15 min

Go Oddities

  • ○nil Slices, nil Maps & := Scope15 min

Project

  • ○Mini Project: Word Counter22 min