optimizations

internal/server/handlers.go

@@ -1,6 +1,8 @@
 package server
 
 import (
+	"fmt"
+	"io"
 	"monkey"
 	"net/http"
 
@@ -12,6 +14,9 @@ func (s *Server) runHandler() router.Handle {
 		opts := &monkey.Options{
 			Stdout: w,
 			Stderr: w,
+			Exit: func(status int) {
+				io.WriteString(w, fmt.Sprintf("<p><i>Program exited with %d.</i></p>", status))
+			},
 		}
 
 		err := monkey.ExecString(r.FormValue("code"), opts)