pedrolopesme

fun main(args: Array<String>) {
	val myList = listof(1,3,6,7)
	val greaterThan5 = myList.count({ x -> x > 5 })
	println(greaterThan5) // -> Imprime 2
}

pedrolopesme

fun main(args: Array<String>) {
	val myList = listof(1,3,6,7)
  
	// count pode perder os parenteses
	val greaterThan5 = myList.count{ x -> x > 5 }
}

pedrolopesme

fun main(args: Array<String>) {
  val myList = listof(1,3,6,7)
	
  // x deixa de ser declarado e vira somente "it"
  val greaterThan5 = myList.count{ it > 5 } 
}

pedrolopesme

fun main(args: Array<String>) {
	var sum = 0
	val myList = listof(1,3,6,7)
	myList.forEach{ sum += it }
	println(sum) // imprime 17
}

pedrolopesme

Default

Powerlevel9k

pedrolopesme

package main

import (
	"fmt"
)

func main() {
	fmt.Println("Hello!")
}

pedrolopesme

package main

import (
	"fmt"
	"net/http"
)

func main() {
	http.HandleFunc("/", handler)    // Aqui declaramos o path e o Handler
	http.ListenAndServe(":3000", nil) // Aqui ficará a porta em que nosso Web server vai responder

pedrolopesme

var upgrader = websocket.Upgrader{
	ReadBufferSize:  1024,
	WriteBufferSize: 1024,
	CheckOrigin:     func(r *http.Request) bool { return true },
}

pedrolopesme

package main

import (
	"fmt"
	"github.com/gorilla/websocket"
	"net/http"
)

var upgrader = websocket.Upgrader{
	ReadBufferSize:  1024,

pedrolopesme

Homebrew Formula for a Go app

These are quick notes from making a glan Formula and Tap.

Add go build script to your Git repo

gobuild.sh

#!/bin/bash