jeffotoni

package main

func main() {
    println("Hello all folks!")
}

jeffotoni

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

jeffotoni

ch <- v    // Envia v para canalizar ch.
v: = <-ch  // Receber de ch e
           // atribui valor ao v.

jeffotoni

package main

import (
	"fmt"
	"math/rand"
	"time"
)

func main() {

jeffotoni

package main

import "fmt"
import "time"

func worker(id int, jobs <-chan int, results chan<- int) {
    for j := range jobs {
        fmt.Println("worker", id, "started  job", j)
        time.Sleep(time.Second)
        fmt.Println("worker", id, "finished job", j)

jeffotoni

$ go mod init yourapp
$ go build

jeffotoni

package main

import "fmt"
import "math"

type Gemetric interface {
    area() float64
    perim() float64
}

jeffotoni

type Gemetric interface {
  area() float64
  perim() float64
}

jeffotoni

package main

import "fmt"

func main() {
    fmt.Printf("Olá, eu amo Go!\n")
}

jeffotoni

package main

import (
	"encoding/json"
	"fmt"
	"net/http"
	"os"
	//"log"
	//"strconv"
)