pub: Resolve various TODOs

pub/activity.go

@@ -84,7 +84,7 @@ func (a *Activity) header(width int) string {
 	case "Dislike":
 		output += "downvoted"
 	default:
-		panic("encountered unrecognized Actor type: " + a.kind)
+		panic("encountered unrecognized Activity type: " + a.kind)
 	}
 
 	output += ":\n"

pub/actor.go

@@ -92,7 +92,6 @@ func (a *Actor) Children() Container {
 	}
 }
 
-// TODO: here is where I'd put forgery errors in
 func (a *Actor) Name() string {
 	var output string
 	if a.nameErr == nil {
@@ -181,7 +180,6 @@ func (a *Actor) String(width int) string {
 func (a *Actor) Preview(width int) string {
 	output := a.header(width)
 
-	// TODO this needs to be truncated
 	if body, present := a.center(width); present {
 		output += "\n" + ansi.Snip(body, width, 4, style.Color("\u2026"))
 	}

pub/failure.go

@@ -12,7 +12,7 @@ type Failure struct {
 
 func NewFailure(err error) *Failure {
 	if err == nil {
-		panic("do not create a failure with a nil error")
+		panic("can't create Failure with a nil error")
 	}
 	return &Failure{err}
 }