Expose defaultPrinter as DefaultPrinter.

CHANGELOG.md

@@ -9,6 +9,12 @@ The format is based on [Keep a Changelog], and this project adheres to
 [Keep a Changelog]: https://keepachangelog.com/en/1.0.0/
 [Semantic Versioning]: https://semver.org/spec/v2.0.0.html
 
+## [0.4.1] - 2020-11-21
+
+## Added
+
+- Add `DefaultPrinter`, the printer used by `Write()`, `Format()` and `Print()`
+
 ## [0.4.0] - 2020-05-05
 
 ## Added
@@ -114,6 +120,7 @@ The format is based on [Keep a Changelog], and this project adheres to
 [0.3.4]: https://github.com/dogmatiq/dapper/releases/tag/v0.3.4
 [0.3.5]: https://github.com/dogmatiq/dapper/releases/tag/v0.3.5
 [0.4.0]: https://github.com/dogmatiq/dapper/releases/tag/v0.4.0
+[0.4.1]: https://github.com/dogmatiq/dapper/releases/tag/v0.4.1
 
 [#6]: https://github.com/dogmatiq/dapper/issues/6
 [#7]: https://github.com/dogmatiq/dapper/issues/7

printer.go

@@ -121,7 +121,8 @@ func (p *Printer) Format(v interface{}) string {
 	return b.String()
 }
 
-var defaultPrinter = Printer{
+// DefaultPrinter is the printer used by Write(), Format() and Print().
+var DefaultPrinter = Printer{
 	Config: Config{
 		Filters: []Filter{
 			ReflectTypeFilter,
@@ -137,12 +138,12 @@ var defaultPrinter = Printer{
 //
 // It returns the number of bytes written.
 func Write(w io.Writer, v interface{}) (int, error) {
-	return defaultPrinter.Write(w, v)
+	return DefaultPrinter.Write(w, v)
 }
 
 // Format returns a pretty-printed representation of v.
 func Format(v interface{}) string {
-	return defaultPrinter.Format(v)
+	return DefaultPrinter.Format(v)
 }
 
 var newLine = []byte{'\n'}
@@ -153,7 +154,7 @@ func Print(values ...interface{}) {
 	mux.Lock()
 	defer mux.Unlock()
 	for _, v := range values {
-		defaultPrinter.Write(os.Stdout, v)
+		DefaultPrinter.Write(os.Stdout, v)
 		os.Stdout.Write(newLine)
 	}
 }