refacto: make the strung truncation utility private

formatter/formatter.go

@@ -23,12 +23,12 @@ type Formatter interface {
 	) (string, error)
 }
 
-// TruncateString safely truncates a string (hopefully)
+// truncateString safely truncates a string (hopefully)
 // from https://dev.to/takakd/go-safe-truncate-string-9h0
 // with some tweaks, like the suffix ; the length includes the suffix
 // Supports Japanese, see Range loops https://blog.golang.org/strings
 // Provide a space as rune to disable the suffix
-func TruncateString(str string, length int, suffix rune) string {
+func truncateString(str string, length int, suffix rune) string {
 	if length <= 0 {
 		return ""
 	}

formatter/gnuplot_merit.go

@@ -51,7 +51,7 @@ func (t *GnuplotMeritFormatter) Format(
 	for _, proposalResult := range proposalsResults {
 		proposalTally := pollTally.Proposals[proposalResult.Index]
 		row := make([]string, 0, 10)
-		row = append(row, TruncateString(proposals[proposalResult.Index], 23, '…'))
+		row = append(row, truncateString(proposals[proposalResult.Index], 23, '…'))
 
 		for gradeIndex := range grades {
 			row = append(row, strconv.FormatFloat(

formatter/gnuplot_opinion.go

@@ -33,7 +33,7 @@ func (t *GnuplotOpinionFormatter) Format(
 		}
 	}
 	for i, proposalName := range proposalsNames {
-		proposalsNames[i] = TruncateString(proposalName, 16, '…')
+		proposalsNames[i] = truncateString(proposalName, 16, '…')
 	}
 
 	buffer := new(bytes.Buffer)

formatter/text.go

@@ -62,7 +62,7 @@ func (t *TextFormatter) Format(
 		line += fmt.Sprintf(
 			" %*s ",
 			amountOfCharactersForProposal,
-			TruncateString(proposals[proposalResult.Index], amountOfCharactersForProposal, '…'),
+			truncateString(proposals[proposalResult.Index], amountOfCharactersForProposal, '…'),
 		)
 
 		remainingWidth := expectedWidth - len(line)