code optimization

.gitignore

@@ -0,0 +1 @@
+.idea/

format_test.go

@@ -1,7 +1,6 @@
 package pb
 
 import (
-	"fmt"
 	"strconv"
 	"testing"
 	"time"
@@ -13,7 +12,7 @@ func Test_DefaultsToInteger(t *testing.T) {
 	actual := Format(value).String()
 
 	if actual != expected {
-		t.Error(fmt.Sprintf("Expected {%s} was {%s}", expected, actual))
+		t.Errorf("Expected {%s} was {%s}", expected, actual)
 	}
 }
 
@@ -23,7 +22,7 @@ func Test_CanFormatAsInteger(t *testing.T) {
 	actual := Format(value).To(U_NO).String()
 
 	if actual != expected {
-		t.Error(fmt.Sprintf("Expected {%s} was {%s}", expected, actual))
+		t.Errorf("Expected {%s} was {%s}", expected, actual)
 	}
 }
 
@@ -42,7 +41,7 @@ func Test_CanFormatAsBytes(t *testing.T) {
 	for _, input := range inputs {
 		actual := Format(input.v).To(U_BYTES).String()
 		if actual != input.e {
-			t.Error(fmt.Sprintf("Expected {%s} was {%s}", input.e, actual))
+			t.Errorf("Expected {%s} was {%s}", input.e, actual)
 		}
 	}
 }
@@ -62,7 +61,7 @@ func Test_CanFormatAsBytesDec(t *testing.T) {
 	for _, input := range inputs {
 		actual := Format(input.v).To(U_BYTES_DEC).String()
 		if actual != input.e {
-			t.Error(fmt.Sprintf("Expected {%s} was {%s}", input.e, actual))
+			t.Errorf("Expected {%s} was {%s}", input.e, actual)
 		}
 	}
 }
@@ -72,7 +71,7 @@ func Test_CanFormatDuration(t *testing.T) {
 	expected := "10m00s"
 	actual := Format(int64(value)).To(U_DURATION).String()
 	if actual != expected {
-		t.Error(fmt.Sprintf("Expected {%s} was {%s}", expected, actual))
+		t.Errorf("Expected {%s} was {%s}", expected, actual)
 	}
 }
 
@@ -81,7 +80,7 @@ func Test_CanFormatLongDuration(t *testing.T) {
 	expected := "2d14h00m13s"
 	actual := Format(int64(value)).To(U_DURATION).String()
 	if actual != expected {
-		t.Error(fmt.Sprintf("Expected {%s} was {%s}", expected, actual))
+		t.Errorf("Expected {%s} was {%s}", expected, actual)
 	}
 }
 
@@ -90,6 +89,6 @@ func Test_DefaultUnitsWidth(t *testing.T) {
 	expected := "     10"
 	actual := Format(int64(value)).Width(7).String()
 	if actual != expected {
-		t.Error(fmt.Sprintf("Expected {%s} was {%s}", expected, actual))
+		t.Errorf("Expected {%s} was {%s}", expected, actual)
 	}
 }

pb.go

@@ -322,7 +322,7 @@ func (pb *ProgressBar) write(total, current int64) {
 
 	// time left
 	currentFromStart := current - pb.startValue
-	fromStart := time.Now().Sub(pb.startTime)
+	fromStart := time.Since(pb.startTime)
 	lastChangeTime := pb.changeTime
 	fromChange := lastChangeTime.Sub(pb.startTime)
 
@@ -333,8 +333,7 @@ func (pb *ProgressBar) write(total, current int64) {
 	select {
 	case <-pb.finish:
 		if pb.ShowFinalTime {
-			var left time.Duration
-			left = (fromStart / time.Second) * time.Second
+			var left = (fromStart / time.Second) * time.Second
 			timeLeftBox = fmt.Sprintf(" %s", left.String())
 		}
 	default:
@@ -359,7 +358,7 @@ func (pb *ProgressBar) write(total, current int64) {
 
 	// speed
 	if pb.ShowSpeed && currentFromStart > 0 {
-		fromStart := time.Now().Sub(pb.startTime)
+		fromStart := time.Since(pb.startTime)
 		speed := float64(currentFromStart) / (float64(fromStart) / float64(time.Second))
 		speedBox = " " + Format(int64(speed)).To(pb.Units).Width(pb.UnitsWidth).PerSec().String()
 	}
@@ -466,7 +465,7 @@ func (pb *ProgressBar) Update() {
 		if c == 0 {
 			pb.startTime = time.Now()
 			pb.startValue = 0
-		} else if c >= t && pb.isFinish != true {
+		} else if c >= t && !pb.isFinish{
 			pb.Finish()
 		}
 	}

pool.go

@@ -64,7 +64,7 @@ func (p *Pool) Start() (err error) {
 func (p *Pool) writer() {
 	var first = true
 	defer func() {
-		if first == false {
+		if !first {
 			p.print(false)
 		} else {
 			p.print(true)
@@ -87,7 +87,7 @@ func (p *Pool) writer() {
 	}
 }
 
-// Restore terminal state and close pool
+// Stop Restore terminal state and close pool
 func (p *Pool) Stop() error {
 	p.finishOnce.Do(func() {
 		if p.shutdownCh != nil {
@@ -96,9 +96,8 @@ func (p *Pool) Stop() error {
 	})
 
 	// Wait for the worker to complete
-	select {
-	case <-p.workerCh:
-	}
+	<-p.workerCh
+
 
 	return unlockEcho()
 }