import List ( intersectBy )
import ListSetOps ( removeDups )
import Outputable
+import FastString
\end{code}
let
expr =
HsApp (HsVar name)
- (HsLit (HsStringPrim (_PK_ (stringToUtf8 (showSDoc (ppr sloc))))))
+ (HsLit (HsStringPrim (mkFastString (stringToUtf8 (showSDoc (ppr sloc))))))
in
returnRn (expr, unitFV name)
\end{code}