Switch Handler to an interface.

HandlerFunc is much better as a function returning a Handler, rather
than a newtype for the function type itself. This way there is no
confusion creating a type-inferenced variable with HandlerFunc(func(...
and then using a HandlerFunc where a Handler is expected. Much better to
only have one public type.

1 files changed, 2 insertions, 2 deletions

diff --git a/examples/cowsay/main.go b/examples/cowsay/main.go
index 4a3f980..93f50d8 100644
--- a/examples/cowsay/main.go
+++ b/examples/cowsay/main.go
@@ -36,7 +36,7 @@ func main() {
 	server.Serve()
 }
 
-func cowsayHandler(ctx context.Context, req *gus.Request) *gus.Response {
+var cowsayHandler = gus.HandlerFunc(func(ctx context.Context, req *gus.Request) *gus.Response {
 	// prompt for a query if there is none already
 	if req.RawQuery == "" {
 		return gemini.Input("enter a phrase")
@@ -82,7 +82,7 @@ func cowsayHandler(ctx context.Context, req *gus.Request) *gus.Response {
 		bytes.NewBufferString("\n```\n=> . again"),
 	)
 	return gemini.Success("text/gemini", out)
-}
+})
 
 func envConfig() (string, string) {
 	certfile, ok := os.LookupEnv("SERVER_CERTIFICATE")