Fix args instance of Ratio

Author: Jamie Bertram

packages.dhall

@@ -173,7 +173,7 @@ let additions =
           , "web-uievents"
           ]
         , repo = "https://github.com/input-output-hk/purescript-web-common"
-        , version = "v1.1.2"
+        , version = "v1.1.3"
         }
       }
 

src/PlutusTx/Ratio.purs

@@ -11,17 +11,17 @@ import Data.Argonaut.Encode.Aeson as E
 import Data.Profunctor.Strong ((&&&))
 import Data.Ratio as R
 import Data.Tuple (uncurry)
-import Text.Pretty (class Args, class Pretty, hsep, pretty, text)
+import Text.Pretty (class Args, class Pretty, hasArgs, hsep, pretty, text)
 
 newtype Ratio a
   = Ratio (R.Ratio a)
 
 instance showRatio :: (Show a) => Show (Ratio a) where
   show (Ratio x) = show x
 
-instance argsRatio :: Args (Ratio a) where
-  hasArgs _ = false
-  hasNestedArgs _ = false
+instance argsRatio :: (Args a) => Args (Ratio a) where
+  hasArgs _ = true
+  hasNestedArgs (Ratio r) = hasArgs (R.numerator r) || hasArgs (R.denominator r)
 
 instance prettyRatio :: Pretty a => Pretty (Ratio a) where
   pretty r = hsep [ pretty $ numerator r, text "%", pretty $ denominator r ]