go 1.18

go.mod

@@ -1,3 +1,3 @@
 module github.com/domonda/go-pretty
 
-go 1.14
+go 1.18

print_test.go

@@ -43,7 +43,7 @@ func TestSprint(t *testing.T) {
 
 	tests := []struct {
 		name  string
-		value interface{}
+		value any
 		want  string
 	}{
 		{name: "nil", value: nil, want: `nil`},
@@ -161,12 +161,12 @@ func TestCircularData(t *testing.T) {
 
 	circStructsNotNested := [...]*Struct{circStruct, circStruct}
 
-	circSlice := make([]interface{}, 1)
+	circSlice := make([]any, 1)
 	circSlice[0] = circSlice
 
 	tests := []struct {
 		name  string
-		value interface{}
+		value any
 		want  string
 	}{
 		{
@@ -197,7 +197,7 @@ func TestCircularData(t *testing.T) {
 func TestSpecialTypes(t *testing.T) {
 	tests := []struct {
 		name  string
-		value interface{}
+		value any
 		want  string
 	}{
 		{

printer.go

@@ -45,33 +45,33 @@ type Printer struct {
 }
 
 // Println pretty prints a value to os.Stdout followed by a newline
-func (p *Printer) Println(value interface{}, indent ...string) {
+func (p *Printer) Println(value any, indent ...string) {
 	endsWithNewLine := p.fprintIndent(os.Stdout, value, indent)
 	if !endsWithNewLine {
 		os.Stdout.Write([]byte{'\n'}) //#nosec G104
 	}
 }
 
 // Print pretty prints a value to os.Stdout
-func (p *Printer) Print(value interface{}, indent ...string) {
+func (p *Printer) Print(value any, indent ...string) {
 	p.fprintIndent(os.Stdout, value, indent)
 }
 
 // Fprint pretty prints a value to a io.Writer
-func (p *Printer) Fprint(w io.Writer, value interface{}, indent ...string) {
+func (p *Printer) Fprint(w io.Writer, value any, indent ...string) {
 	p.fprintIndent(w, value, indent)
 }
 
 // Fprint pretty prints a value to a io.Writer followed by a newline
-func (p *Printer) Fprintln(w io.Writer, value interface{}, indent ...string) {
+func (p *Printer) Fprintln(w io.Writer, value any, indent ...string) {
 	endsWithNewLine := p.fprintIndent(w, value, indent)
 	if !endsWithNewLine {
 		os.Stdout.Write([]byte{'\n'}) //#nosec G104
 	}
 }
 
 // Sprint pretty prints a value to a string
-func (p *Printer) Sprint(value interface{}, indent ...string) string {
+func (p *Printer) Sprint(value any, indent ...string) string {
 	var b strings.Builder
 	p.fprintIndent(&b, value, indent)
 	return b.String()
@@ -87,7 +87,7 @@ func (v visitedPtrs) visit(ptr uintptr) (visited bool) {
 	return false
 }
 
-func (p *Printer) fprintIndent(w io.Writer, value interface{}, indent []string) (endsWithNewLine bool) {
+func (p *Printer) fprintIndent(w io.Writer, value any, indent []string) (endsWithNewLine bool) {
 	switch {
 	case value == nil:
 		if len(indent) > 1 {
@@ -397,7 +397,7 @@ func (p *Printer) sortReflectValues(vals []reflect.Value, valType reflect.Type,
 	})
 }
 
-func quoteString(s interface{}, maxLen int) string {
+func quoteString(s any, maxLen int) string {
 	q := fmt.Sprintf("%#q", s)
 	if maxLen > 0 && len(q)-2 > maxLen {
 		// Compare byte length as first approximation,