add some rules of thumb for catching exceptions, restructure the docs a bit

[ghc-base.git] / GHC / Base.lhs

diff --git a/GHC/Base.lhs b/GHC/Base.lhs
index 0e5c4d2..06c7046 100644 (file)
--- a/GHC/Base.lhs
+++ b/GHC/Base.lhs
@@ -63,6 +63,7 @@ Other Prelude modules are much easier with fewer complex dependencies.
 
 \begin{code}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
+{-# OPTIONS_GHC -fno-warn-orphans #-}
 {-# OPTIONS_HADDOCK hide #-}
 -----------------------------------------------------------------------------
 -- |
@@ -102,6 +103,12 @@ import GHC.Ordering
 import GHC.Prim
 import {-# SOURCE #-} GHC.Err
 
+-- These two are not strictly speaking required by this module, but they are
+-- implicit dependencies whenever () or tuples are mentioned, so adding them
+-- as imports here helps to get the dependencies right in the new build system.
+import GHC.Tuple ()
+import GHC.Unit ()
+
 infixr 9  .
 infixr 5  ++
 infixl 1  >>, >>=