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| author | Austin Seipp <austin@well-typed.com> | 2014-04-22 06:09:40 -0500 |
|---|---|---|
| committer | Austin Seipp <austin@well-typed.com> | 2014-04-22 06:09:40 -0500 |
| commit | 88c9403264950326e39a05f262bbbb069cf12977 (patch) | |
| tree | 84821fe0ccac02131a7685eeb9224e366a638763 /compiler/utils/Maybes.lhs | |
| parent | 33e585d6eacae19e83862a05b650373b536095fa (diff) | |
| download | haskell-wip/amp.tar.gz | |
Make Applicative a superclass of Monadwip/amp
Signed-off-by: Austin Seipp <austin@well-typed.com>
Diffstat (limited to 'compiler/utils/Maybes.lhs')
| -rw-r--r-- | compiler/utils/Maybes.lhs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/utils/Maybes.lhs b/compiler/utils/Maybes.lhs index d9e1762a2f..e1bba86382 100644 --- a/compiler/utils/Maybes.lhs +++ b/compiler/utils/Maybes.lhs @@ -1,3 +1,4 @@ +{-# LANGUAGE CPP #-} % % (c) The University of Glasgow 2006 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1998 @@ -17,7 +18,9 @@ module Maybes ( MaybeT(..) ) where +#if __GLASGOW_HASKELL__ < 709 import Control.Applicative +#endif import Control.Monad import Data.Maybe |