chore: exposed barf.SubRoute for all RetroFrame instance

Author: opensaucerer

example/subroute/main.go

@@ -52,7 +52,7 @@ func main() {
 	})
 
 	// create a subrouter (retroframe)
-	r := barf.RetroFrame("/api/v1")
+	var r *barf.SubRoute = barf.RetroFrame("/api/v1")
 
 	// apply middleware to subrouter. note that the only difference between this and global middlewares is that you need to pass the
 	barf.Hippocampus(r).Hijack(func(h http.Handler) http.Handler {

middleware.go

@@ -2,6 +2,7 @@ package barf
 
 import (
 	"github.com/opensaucerer/barf/router"
+	"github.com/opensaucerer/barf/typing"
 )
 
 /*
@@ -10,3 +11,6 @@ Hippocampus prepares the given barf router or base barf handler for hijacking. T
 Note: the base barf handler is the one that is created by the barf.Stark() function and can only be hijacked before the barf.Beck() function is called.
 */
 var Hippocampus = router.Hippocampus
+
+// Middleware is the type of a function that can be used as a barf middleware.
+type Middleware = typing.Middleware

route.go

@@ -28,3 +28,6 @@ var Any = router.Any
 
 // RetroFrame returns a new RetroFrame instance registered against the given entry path.
 var RetroFrame = router.RetroFrame
+
+// SubRoute is the type of a barf RetroFrame instance.
+type SubRoute = router.SubRoute