gistfile1.txt

Prelude Web.Scotty Data.Monoid> :{
Prelude Web.Scotty Data.Monoid| scotty 3000 $ do {
Prelude Web.Scotty Data.Monoid|   get "/:word" $ do {
Prelude Web.Scotty Data.Monoid|     beam <- param "word"
Prelude Web.Scotty Data.Monoid|     html $ mconcat ["<h1>Scotty, ", beam, "me up!</h1>"]
Prelude Web.Scotty Data.Monoid|   }
Prelude Web.Scotty Data.Monoid| }
Prelude Web.Scotty Data.Monoid| :}

<interactive>:19:5:
    The last statement in a 'do' block must be an expression
      beam <- param "word" html
              $ mconcat ["<h1>Scotty, ", beam, "me up!</h1>"]

<interactive>:20:37: Not in scope: `beam'

Prelude Web.Scotty Data.Monoid>