blanchonvincent

package main_test

import (
	"testing"
)

var x MultipleFieldStructure

type MultipleFieldStructure struct {
	a int

blanchonvincent

func main() {
	var i int8 = 1
	read(i)
}

//go:noinline
func read(i interface{}) {
	println(i)
}

blanchonvincent

func main() {
	var i int8 = 1
	read(i)
}

//go:noinline
func read(i interface{}) {
	n := i.(int16)
	println(n)
}

blanchonvincent

log.SetOutput(os.Stdout)
log.WithFields(log.Fields{
  "url": "http://foo.com",
  "attempt":   3,
  "backoff":   time.Second,
}).Info("failed to fetch URL")

blanchonvincent

l := zerolog.New(zerolog.ConsoleWriter{Out: os.Stderr})
l.Info().
  Str("url", `http://foo.com`).
  Int("attempt", 3).
  Dur("backoff", time.Second).
  Msg("failed to fetch URL")

blanchonvincent

logger.Info("failed to fetch URL",
	// Structured context as strongly typed Field values.
	zap.String("url", `http://foo.com`),
	zap.Int("attempt", 3),
	zap.Duration("backoff", time.Second),
)

blanchonvincent

package main

import (
	"log"
	"os"
	"github.com/urfave/cli"
)

func main() {
	app := cli.NewApp()

blanchonvincent

package main

import (
	"github.com/spf13/cobra"
)

func main() {
	cmd := newCommand()
	cmd.AddCommand(newNestedCommand())

blanchonvincent

package main

import (
	"context"
	"flag"
	"github.com/google/subcommands"
)

type GreetCommand struct {}
func (g *GreetCommand) Name() string     { return "greet" }

blanchonvincent

type Command struct {
	// Run runs the command.
	// The args are the arguments after the command name.
	Run func(cmd *Command, args []string)

	// UsageLine is the one-line usage message.
	// The first word in the line is taken to be the command name.
	UsageLine string

	// Short is the short description shown in the 'go help' output.