+ -- ** Located
+ Located(..),
+
+ -- *** Constructing Located
+ noLoc, mkGeneralLocated,
+
+ -- *** Deconstructing Located
+ getLoc, unLoc,
+
+ -- *** Combining and comparing Located values
+ eqLocated, cmpLocated, combineLocs, addCLoc,
+ leftmost_smallest, leftmost_largest, rightmost,
+ spans, isSubspanOf,
+