message: rename NewMsg to New

Should have done this when relocating this from container. Now is a good time to rename it before v0.3.x.

Signed-off-by: Ophestra <cat@gensokyo.uk>

message/message.go

@@ -52,7 +52,7 @@ type Msg interface {
 }
 
 // defaultMsg is the default implementation of the [Msg] interface.
-// The zero value is not safe for use. Callers should use the [NewMsg] function instead.
+// The zero value is not safe for use. Callers should use the [New] function instead.
 type defaultMsg struct {
 	verbose atomic.Bool
 
@@ -60,10 +60,10 @@ type defaultMsg struct {
 	Suspendable
 }
 
-// NewMsg initialises a downstream [log.Logger] for a new [Msg].
-// The [log.Logger] should no longer be configured after NewMsg returns.
+// New initialises a downstream [log.Logger] for a new [Msg].
+// The [log.Logger] should no longer be configured after [New] returns.
 // If downstream is nil, a new logger is initialised in its place.
-func NewMsg(downstream *log.Logger) Msg {
+func New(downstream *log.Logger) Msg {
 	if downstream == nil {
 		downstream = log.New(log.Writer(), "container: ", 0)
 	}

message/message_test.go

@@ -51,7 +51,7 @@ func TestDefaultMsg(t *testing.T) {
 
 	t.Run("logger", func(t *testing.T) {
 		t.Run("nil", func(t *testing.T) {
-			got := message.NewMsg(nil).GetLogger()
+			got := message.New(nil).GetLogger()
 
 			if out := got.Writer().(*message.Suspendable).Downstream; out != log.Writer() {
 				t.Errorf("GetLogger: Downstream = %#v", out)
@@ -64,7 +64,7 @@ func TestDefaultMsg(t *testing.T) {
 
 		t.Run("takeover", func(t *testing.T) {
 			l := log.New(io.Discard, "\x00", 0xdeadbeef)
-			got := message.NewMsg(l)
+			got := message.New(l)
 
 			if logger := got.GetLogger(); logger != l {
 				t.Errorf("GetLogger: %#v, want %#v", logger, l)
@@ -169,7 +169,7 @@ func TestDefaultMsg(t *testing.T) {
 		}},
 	}
 
-	msg := message.NewMsg(log.New(&dw, "test: ", 0))
+	msg := message.New(log.New(&dw, "test: ", 0))
 	for _, step := range steps {
 		// these share the same writer, so cannot be subtests
 		t.Logf("running step %q", step.name)