CourseGenix

Go fundamentals

7 Units35 Lessons

Unit 1

Basics

Introduction to Go Language

Understanding Basic Program Structure

Real-World Project: Simple Greeting Tool

Writing Your First Go Program

Installing Go and Environment Setup

Unit 2

Variables and Data Types

Declaring and Initializing Variables

Understanding Basic Data Types

Working with Constants

Type Conversions and Casting

Real-World Project: Data Tracker Application

Unit 3

Control Structures

Understanding Switch Statements

Real-World Project: Simple Decision-Making Tool

Using If-Else Statements

Nesting and Combining Control Structures

Working with For Loops

Unit 4

Functions

Passing Parameters and Arguments

Function Variadic Parameters

Real-World Project: Utility Function Library

Defining and Calling Functions

Return Values and Multiple Returns

Unit 5

Packages and Modules

Importing External Packages

Understanding Go Modules

Real-World Project: Modular Code Organizer

Package Visibility and Exporting

Creating and Using Packages

Unit 6

Error Handling

Basics of Error Types

Panic and Recover Mechanisms

Defer Statements for Cleanup

Real-World Project: Error-Resilient Tool

Using the Error Interface

Unit 7

Concurrency Basics

Introduction to Goroutines

Working with Channels

Synchronization Techniques

Common Concurrency Patterns

Real-World Project: Concurrent Data Processor

Unit 4•Chapter 5

Return Values and Multiple Returns

Summary

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Concept Check

0/5

In Go, how are multiple return values handled?

Through function parameters

With global variables

Via a single return statement

Using multiple variables in assignment

What occurs if a Python function returns multiple values?

They are returned as a tuple

As separate arguments

Directly to global scope

As a list object

In functions with multiple returns, how to check for errors in Go?

Print error directly

Verify if error is not nil

Ignore the error value

Return error immediately

How does JavaScript simulate multiple returns?

By returning an object or array

With callbacks only

Through function overloading

Using global variables

What is a common pitfall with multiple returns in functions?

Unpacking mismatch errors

Infinite loops

Memory leaks

Syntax errors

PreviousDefining and Calling Functions