Providers are now required to state their name/package

providers/mime/mime.go

@@ -6,16 +6,16 @@ import "git.tebibyte.media/sashakoshka/step"
 
 const hiddenPrefix = "."
 
-var _ step.FuncProvider = new(Provider)
+var _ step.FuncProviderFor = new(Provider)
 
 // Provider provides MIME functions.
 type Provider struct {
 	
 }
 
-// FuncMap fulfills the step.FuncProvider interface.
-func (this *Provider) FuncMap () template.FuncMap {
-	return nil
+// Package fulfills the step.Provider interface.
+func (this *Provider) Package () string {
+	return "mime"
 }
 
 // FuncMapFor fulfills the step.FuncProviderFor interface.