stack exec -- yesod add-handler

config/routes

@@ -12,3 +12,4 @@
 /comments CommentR POST
 
 /profile ProfileR GET
+/landing LandingR GET

src/Application.hs

@@ -44,6 +44,7 @@ import Handler.Common
 import Handler.Home
 import Handler.Comment
 import Handler.Profile
+import Handler.Landing
 
 -- This line actually creates our YesodDispatch instance. It is the second half
 -- of the call to mkYesodData which occurs in Foundation.hs. Please see the

src/Handler/Landing.hs

@@ -0,0 +1,6 @@
+module Handler.Landing where
+
+import Import
+
+getLandingR :: Handler Html
+getLandingR = error "Not yet implemented: getLandingR"

test/Handler/LandingSpec.hs

@@ -0,0 +1,10 @@
+module Handler.LandingSpec (spec) where
+
+import TestImport
+
+spec :: Spec
+spec = withApp $ do
+
+    describe "getLandingR" $ do
+        error "Spec not implemented: getLandingR"
+