fix backwards compatibility (#63)

backwards compatibility

http/instance.go

@@ -2,10 +2,7 @@ package http
 
 import (
 	"context"
-	"fmt"
 	"net/http"
-
-	"github.com/rs/zerolog/log"
 )
 
 // Handler is a function instance which can handle a request.
@@ -49,19 +46,11 @@ type LivenessReporter interface {
 type DefaultHandler struct {
 	// TODO: Update type HandleFunc when backwards compatibility no
 	// longer needed:
-	Handler any
+	Handler handleFuncDeprecated
 }
 
 func (f DefaultHandler) Handle(w http.ResponseWriter, r *http.Request) {
-	if i, ok := f.Handler.(HandleFunc); ok {
-		i(w, r)
-	} else if i, ok := f.Handler.(handleFuncDeprecated); ok {
-		i(r.Context(), w, r)
-	} else {
-		msg := "function does not implement Handle. Skipping invocation."
-		log.Debug().Msg(msg)
-		fmt.Fprintln(w, msg)
-	}
+	f.Handler(r.Context(), w, r)
 }
 
 type handleFuncDeprecated func(context.Context, http.ResponseWriter, *http.Request)

http/service.go

@@ -86,14 +86,6 @@ func logImplements(f any) {
 	if _, ok := f.(LivenessReporter); ok {
 		log.Info().Msg("Function implements Alive")
 	}
-
-	// Warn if using the deprecated static handler:
-	if i, ok := f.(DefaultHandler); ok {
-		log.Info().Msg("Function implements Handle")
-		if _, ok = i.Handler.(handleFuncDeprecated); ok {
-			log.Warn().Msg("The Handle method signature used has been deprecated.  Please remove the context object argument.  Future versions will remove support for this signature.")
-		}
-	}
 }
 
 // Start