basic: implement Section.String() and Field.String()

to ease development

Signed-off-by: Alejandro Mery <amery@jpi.io>

basic/write.go

@@ -45,6 +45,14 @@ func writeFieldsTo(w io.Writer, fields []Field, nl string) (int64, error) {
 	return int64(written), nil
 }
 
+// String generates a string output for "%s"
+func (field Field) String() string {
+	var buf bytes.Buffer
+
+	_, _ = writeFieldsTo(&buf, []Field{field}, WriteNewLine)
+	return buf.String()
+}
+
 func writeSectionToBuffer(w *bytes.Buffer, sec *Section, nl string) int {
 	var written, n int
 
@@ -74,6 +82,14 @@ func writeSectionToBuffer(w *bytes.Buffer, sec *Section, nl string) int {
 	return written + int(n64)
 }
 
+// String generates a string output for "%s"
+func (sec *Section) String() string {
+	var buf bytes.Buffer
+
+	_ = writeSectionToBuffer(&buf, sec, WriteNewLine)
+	return buf.String()
+}
+
 // WriteTo writes a INI representation of the document
 // onto the provided writer.
 func (doc *Document) WriteTo(w io.Writer) (int64, error) {
@@ -81,7 +97,7 @@ func (doc *Document) WriteTo(w io.Writer) (int64, error) {
 	return buf.WriteTo(w)
 }
 
-// GoString generates a string output for "%s"
+// String generates a string output for "%s"
 func (doc *Document) String() string {
 	buf := doc.AsBuffer(WriteNewLine)
 	return buf.String()