refactor: examples update to use p.New()

Author: vbauerster

example/cancel/main.go

@@ -19,7 +19,7 @@ func main() {
 	var wg sync.WaitGroup
 	ctx, cancel := context.WithTimeout(context.Background(), 4*time.Second)
 	defer cancel()
-	p := mpb.New(ctx).SetWidth(64)
+	p := mpb.New().SetWidth(64).WithContext(ctx)
 
 	name1 := "Bar#1:"
 	bar1 := p.AddBar(50).

example/io/multiple/main.go

@@ -19,7 +19,7 @@ func main() {
 	url2 := "https://homebrew.bintray.com/bottles/libtiff-4.0.7.sierra.bottle.tar.gz"
 
 	var wg sync.WaitGroup
-	p := mpb.New(nil).SetWidth(60)
+	p := mpb.New().SetWidth(60)
 
 	for i, url := range [...]string{url1, url2} {
 		wg.Add(1)

example/io/single/main.go

@@ -35,7 +35,7 @@ func main() {
 	}
 	defer dest.Close()
 
-	p := mpb.New(nil).SetWidth(64)
+	p := mpb.New().SetWidth(64)
 
 	bar := p.AddBar(size).
 		PrependCounters("%3s / %3s", mpb.UnitBytes, 18, 0).

example/prependETA/main.go

@@ -16,8 +16,7 @@ const (
 func main() {
 
 	var wg sync.WaitGroup
-	p := mpb.New(nil).SetWidth(64)
-	// p := mpb.New(nil).RefreshRate(80 * time.Millisecond).SetWidth(64)
+	p := mpb.New().SetWidth(64)
 
 	name1 := "Bar#1:"
 	bar1 := p.AddBar(50).

example/prependElapsed/main.go

@@ -16,8 +16,7 @@ const (
 func main() {
 
 	var wg sync.WaitGroup
-	p := mpb.New(nil).SetWidth(64)
-	// p := mpb.New(nil).RefreshRate(80 * time.Millisecond).SetWidth(64)
+	p := mpb.New().SetWidth(64)
 
 	name1 := "Bar#1:"
 	bar1 := p.AddBar(50).

example/remove/main.go

@@ -16,8 +16,7 @@ const (
 func main() {
 
 	var wg sync.WaitGroup
-	p := mpb.New(nil).SetWidth(64)
-	// p := mpb.New(nil).RefreshRate(100 * time.Millisecond).SetWidth(64)
+	p := mpb.New().SetWidth(64)
 
 	name1 := "Bar#1:"
 	bar1 := p.AddBar(50).

example/simple/main.go

@@ -11,7 +11,7 @@ import (
 
 func main() {
 	var wg sync.WaitGroup
-	p := mpb.New(nil)
+	p := mpb.New()
 	wg.Add(3) // add wg delta
 	for i := 0; i < 3; i++ {
 		name := fmt.Sprintf("Bar#%d:", i)
@@ -31,6 +31,4 @@ func main() {
 	}
 	wg.Wait() // Wait for goroutines to finish
 	p.Stop()  // Stop mpb's rendering goroutine
-	// p.AddBar(1) // panic: you cannot reuse p, create new one!
-	fmt.Println("finish")
 }

example/singleBar/main.go

@@ -9,10 +9,8 @@ import (
 
 func main() {
 	// Star mpb's rendering goroutine.
-	// If you don't plan to cancel, feed with nil
-	// otherwise provide context.Context, see cancel example
-	p := mpb.New(nil)
-	// Set custom width for every bar, which mpb will contain
+	p := mpb.New()
+	// Set custom width for every bar, which mpb will render
 	// The default one in 70
 	p.SetWidth(80)
 	// Set custom format for every bar, the default one is "[=>-]"

example/sort/main.go

@@ -44,7 +44,7 @@ func percentage(total, current int64, ratio int) int {
 func main() {
 
 	var wg sync.WaitGroup
-	p := mpb.New(nil).SetWidth(60).BeforeRenderFunc(sortByProgressFunc())
+	p := mpb.New().SetWidth(60).BeforeRenderFunc(sortByProgressFunc())
 
 	name1 := "Bar#1:"
 	bar1 := p.AddBar(100).

example/stress/main.go

@@ -17,7 +17,7 @@ const (
 func main() {
 
 	var wg sync.WaitGroup
-	p := mpb.New(nil)
+	p := mpb.New()
 	wg.Add(totalBars)
 
 	for i := 0; i < totalBars; i++ {