Coding with golang

Coding with Golang October 21st, 6-7PM Sign in

What is a GDSC? Google Developer Student Clubs

We’re open to all majors! If you would like to join GDSC at UCF, it’s easy! The linked slide deck has all of our socials, calendar, mailing list, a step-by-step guide on joining Bevy (our Google-created RSVP site), and more! tinyurl.com/gdsc-ucf-join-in Want to Join GDSC?

https://linktr.ee/knighthacks linktr.ee/knighthacks Knight Hacks

Meet today’s speakers Hannah Moss GDSC UCF - Lead/President Alice Yu GDSC UCF - VP/Co-Lead Andrei Gulapa GDSC UCF - Marketing Lead

What is Golang/ Go? ● Golang or..Go? ○ go.org was not available → golang.org! ○ “Golang” == “Go” (but the actual language is called Go!) ● Created by Google in 2007 ● Open source programming language

● Easy to learn! Syntax is clean and simple ● Fast and secure ● Garbage collection ● Easy concurrency model Pros

● No generics ● Poor library support ● Time-consuming to write Cons

Hello World! - Packages - Imports - Functions / main - All material is pulled from https://tour.golang.org/welcome/1 (Oﬃcial Go website) Syntax -

Let’s do some math! - Imports - Exports - All material is pulled from https://tour.golang.org/welcome/1 (Oﬃcial Go website) Syntax -

Let’s do some math! - Functions - Syntax -

Let’s do some math! - Shortened function parameters - Syntax -

Swappy swap - Multiple return types - All material is pulled from https://tour.golang.org/welcome/1 (Oﬃcial Go website) Syntax -

Practice time! - Let’s code up a split number function! - Split the number 17 into 2 numbers - Syntax -

Practice time! - What is the return type? - Shorten this function’s return parameters - Syntax -

Let’s talk about variables! - Declaring - All material is pulled from https://tour.golang.org/welcome/1 (Oﬃcial Go website) Syntax -

Let’s talk about variables! - Initializing - If we wanted to initialize var i, j to 1 and 2, what would it look like? - All material is pulled from https://tour.golang.org/welcome/1 (Oﬃcial Go website) Syntax -

Let’s talk about variables! - Short var declarations - Used frequently - All material is pulled from https://tour.golang.org/welcome/1 (Oﬃcial Go website) Syntax -

Loops - For loops - What does a typical for loop parameter look like for int i for (i < 10) comparisons? - What if we used a shortened var initialization to initialize i? What would it look like? Syntax -

Loops - For loops - All material is pulled from https://tour.golang.org/welcome/1 (Oﬃcial Go website) Syntax -

Loops - While loop - Basically a shorted for loop - All material is pulled from https://tour.golang.org/welcome/1 (Oﬃcial Go website) Syntax -

If statements You can shorten if statements that have preconditions Syntax -

How can you replicate the Sqrt function? You’ll need to use a for loop and declare extra variables! Template: Square roots Time for your own practice! Brain teaser https://tour.golang.org/ﬂowcontrol/8

Discord Setup Steps - Overview 1. Set Up Discord Server 2. Create a new Discord Application - https://discord.com/developers/applications a. Create a new Discord Bot 3. Connect the Bot to your Server Let’s Dive in!! Let’s Build A Discord Bot

Repl.it Setup Steps - Overview 1. Create a new Repl within Repl.it https://replit.com/ 2. Import discordgo library : github.com/bwmarrin/discordgo 3. Add Discord bot’s token to repl Let’s Dive in!! Let’s Build A Discord Bot

Coding Time! Let’s Build A Discord Bot

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Coding with golang

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