Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
Introdução a Go
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Elton Minetto
May 11, 2022
Programming
320
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Introdução a Go
Nesta palestra faço uma introdução a linguagem Go
Elton Minetto
May 11, 2022
More Decks by Elton Minetto
See All by Elton Minetto
Criando Kubernetes Operators com o operator-sdk
eminetto
0
180
Developer productivity for fun and profit - Enterprise edition
eminetto
0
120
Criando Kubernetes Operators com o operator-sdk
eminetto
0
170
Developer productivity for fun and profit - Developer edition
eminetto
3
570
Observabilidade de APIs
eminetto
1
1.1k
Reflexões sobre Design de Software
eminetto
1
540
Discussões sobre microsserviços
eminetto
0
180
Go, o que, por que e como?
eminetto
0
400
Dev Journey
eminetto
0
510
Other Decks in Programming
See All in Programming
contenteditable と日本語入力に向き合う
colorful12
0
230
Modernizing iOS Apps
seyfoyun
0
130
Herb in Rails 8.2: Your ERB views, now HTML-aware @ Kaigi on Rails 2026, Tokyo, Japan
marcoroth
2
360
No More NoSuchMethodError
exoego
1
120
エージェントを使い続けるためのメタワーク / Meta-work for keeping using the agent
rkaga
6
2k
Coding with AI: How to trust the storyteller (AWS Community Day Adria, Ljubljana 2026)
slobodan
0
130
[Dev Group Paris Octobre 26] Agentforce, SIforce, Claudeforce, Slackbot… on s'y retrouve ?
nabondance
0
120
[2026-10-09]一枚の布で作らなくてもいい。 信頼性は「パッチワーク」で紡がれる~既存の運用と新しい可能性をつなぎ合わせてきたCREの話~
tosite
0
110
AmebaブログはKMPから卒業します
kmars0605
0
290
[JA] Domain Modeling with Vanilla Rails: 「操作」から再考するRailsの設計論
yasaichi
4
1.1k
AI主導のプログラミング学習アプリを作ってみた
econanringo
0
200
Web Framework Benchmark Battle 2026, Any%
a_matsuda
3
3k
Featured
See All Featured
Code Review Best Practice
trishagee
74
20k
Large-scale JavaScript Application Architecture
addyosmani
516
110k
The Curse of the Amulet
leimatthew05
3
16k
Exploring the relationship between traditional SERPs and Gen AI search
raygrieselhuber
PRO
4
4.4k
GraphQLとの向き合い方2022年版
quramy
50
15k
From Legacy to Launchpad: Building Startup-Ready Communities
dugsong
0
360
Joys of Absence: A Defence of Solitary Play
codingconduct
1
560
Chasing Engaging Ingredients in Design
codingconduct
0
370
Digital Projects Gone Horribly Wrong (And the UX Pros Who Still Save the Day) - Dean Schuster
uxyall
1
3.5k
A Soul's Torment
seathinner
8
3.8k
Lightning talk: Run Django tests with GitHub Actions
sabderemane
0
310
Collaborative Software Design: How to facilitate domain modelling decisions
baasie
1
350
Transcript
Introdução a Go
Elton Minetto ๏ Escrevo códigos, sou professor, palestrante, e escritor
๏ Escrevo no https://eltonminetto.dev e no twitter ๏ Sou Principal Software Engineer no PicPay
O que é?
Uma linguagem open source
None
Por que uma nova linguagem?
Muitos problemas com software em grande escala
Velocidade de compilação
Sistemas distribuídos Multicore
Objetivos
Semântica simples
Tipagem estática
Programação concorrente
Divertida!
TALK IS CHEAP, SHOW ME THE CODE!
Pacotes package main import ( "fmt" "math" ) func main()
{ fmt.Printf("Now you have %g problems.", math.Sqrt(7)) }
Resultados Múltiplos package main import "fmt" func swap(x, y string)
(string, string) { return y, x } func main() { a, b := swap("hello", "world") fmt.Println(a, b) }
Erros package main import "github.com/coderockr/nfe/transmitter" func main() { response, err
:= transmitter.transmit(nfe, xml) if err != nil { panic("Error ") //tratamento de erro qualquer } result, err := transmitter.saveData(response, xml) if err != nil { panic("Error ") //tratamento de erro qualquer } }
Goroutines package main import ( "fmt" "time" ) func say(s
string) { for i := 0; i < 5; i++ { time.Sleep(100 * time.Millisecond) fmt.Println(s) } } func main() { go say("world") say("hello") }
Canais package main import "fmt" func sum(s []int, c chan
int) { sum := 0 for _, v := range s { sum += v } c <- sum // send sum to c } func main() { s := []int{7, 2, 8, -9, 4, 0} c := make(chan int) go sum(s[:len(s)/2], c) go sum(s[len(s)/2:], c) x, y := <-c, <-c // receive from c fmt.Println(x, y, x+y) }
Cross Compilation GOOS=darwin GOARCH=amd64 go build gorotines.go GOOS=windows GOARCH=amd64 go
build gorotines.go GOOS=linux GOARCH=amd64 go build gorotines.go
OO via composição e não herança, biblioteca padrão poderosa, etc.
Quem está usando?
Google, Basecamp, Globo.com, Canonical, DigitalOcean, Dropbox, Github, Heroku, Medium, Docker,
MongoDB, Mozilla, Netflix, New Relic, New York Times, Resultados Digitais, Moip, Neoway, Walmart, Trybe, PicPay, etc https://github.com/golang/go/wiki/GoUsers
Aplicações
APIs
Microservices
IoT
Databases
CLIents
Material de estudo
Site oficial Tour Go, por onde começar? Livro: A Linguagem
de Programação Go Curso Desenvolvimento Web com Go Awesome Go
Contato
[email protected]
http://eltonminetto.dev http://twitter.com/eminetto