adopt latest golang enhancements (#91)

pkg/printer/bytes.go

@@ -27,7 +27,7 @@ func (b *ByteSize) String() string {
 }
 
 func Bytes(size int64) *ByteSize {
-	return &ByteSize{size: uint64(size)}
+	return new(ByteSize{size: uint64(size)})
 }
 
 func ByteString(size int64) string {

pkg/printer/table.go

@@ -35,15 +35,20 @@ type Table struct {
 	RawHeaders []string
 	Entries    [][]any
 
-	rows       [][]string // representation used for printing
-	processed  bool
-	lenHeaders []int
-	alignInts  bool
-	maxwidth   int
+	rows            [][]string // representation used for printing
+	processed       bool
+	lenHeaders      []int
+	alignInts       bool
+	maxwidth        int
+	debugGoRoutines bool
 }
 
 func NewTable(conf *cfg.Config, columns, rows int) *Table {
-	table := Table{Mode: conf.Output, maxwidth: cfg.GetTermWidth()}
+	table := new(Table{
+		Mode:            conf.Output,
+		maxwidth:        cfg.GetTermWidth(),
+		debugGoRoutines: conf.DebugGoRoutines,
+	})
 
 	table.Headers = make([]string, columns)
 	table.RawHeaders = make([]string, columns)
@@ -51,14 +56,18 @@ func NewTable(conf *cfg.Config, columns, rows int) *Table {
 	table.lenHeaders = make([]int, columns)
 	table.alignInts = conf.AlignInts
 
-	return &table
+	return table
 }
 
 func NewTableEmpty(conf *cfg.Config) *Table {
-	table := Table{Mode: conf.Output, maxwidth: cfg.GetTermWidth()}
+	table := new(Table{
+		Mode:            conf.Output,
+		maxwidth:        cfg.GetTermWidth(),
+		debugGoRoutines: conf.DebugGoRoutines,
+	})
 	table.alignInts = conf.AlignInts
 
-	return &table
+	return table
 }
 
 func (table *Table) WithHeaders(headers ...string) *Table {
@@ -75,16 +84,24 @@ func (table *Table) WithHeaders(headers ...string) *Table {
 }
 
 func (table *Table) Print() error {
+	var err error
+
 	switch table.Mode {
 	case "json":
-		return table.PrintJSON()
+		err = table.PrintJSON()
 	case "yaml":
-		return table.PrintYAML()
+		err = table.PrintYAML()
 	case "csv":
-		return table.PrintCSV()
+		err = table.PrintCSV()
 	default:
-		return table.PrintTSV()
+		err = table.PrintTSV()
 	}
+
+	if table.debugGoRoutines {
+		printGoRoutineMetrics()
+	}
+
+	return err
 }
 
 var (
@@ -149,9 +166,11 @@ func (table *Table) PrintTSV() error {
 				wrapped := wrapper(entry)
 
 				// and indent it
-				for idx, line := range strings.Split(wrapped, "\n") {
-					if idx == 0 {
+				first := true
+				for line := range strings.Lines(wrapped) {
+					if first {
 						entry = line
+						first = false
 					} else {
 						entry += "\n  " + strings.Repeat(" ", currentWidth) + line
 					}