diff options
Diffstat (limited to 'examples/Test.hs')
| -rw-r--r-- | examples/Test.hs | 76 |
1 files changed, 49 insertions, 27 deletions
diff --git a/examples/Test.hs b/examples/Test.hs index ebf7d505..0e34dd7a 100644 --- a/examples/Test.hs +++ b/examples/Test.hs @@ -84,7 +84,7 @@ module Test ( Ex(..), -- * Type signatures with argument docs - k, l, m, n, o, + k, l, m, o, -- * A section -- and without an intervening comma: @@ -96,7 +96,6 @@ module Test ( $ a non /literal/ line $ -} - p, f', ) where @@ -135,7 +134,7 @@ data T6 C4 -- | A newtype -newtype N1 a b = N1 (a b) +newtype N1 a = N1 a -- | A newtype with a fieldname newtype N2 a b = N2 {n :: a b} @@ -163,10 +162,10 @@ newtype N7 a b = N7 {n7 :: a b class (D a) => C a where -- |this is a description of the 'a' method - a :: Int - b :: Float + a :: IO a + b :: [a] -- ^ this is a description of the 'b' method - c :: Double -- c is hidden in the export list + c :: a -- c is hidden in the export list -- ^ This comment applies to the /previous/ declaration (the 'C' class) @@ -175,18 +174,22 @@ class D a where e :: (a,a) -- ^ This is a class declaration with no separate docs for the methods -instance D Int +instance D Int where + d = undefined + e = undefined -- instance with a qualified class name -instance Test.D Float +instance Test.D Float where + d = undefined + e = undefined class E a where - ee :: Int + ee :: a -- ^ This is a class declaration with no methods (or no methods exported) -- This is a class declaration with no documentation at all class F a where - ff :: Float + ff :: a -- | This is the documentation for the 'R' record, which has four fields, -- 'p', 'q', 'r', and 's'. @@ -197,7 +200,7 @@ data R = , -- | This comment applies to both 'r' and 's' r,s :: Int } - | C2 { t :: T1 -> T2 -> T3 -> T4 -> T5, + | C2 { t :: T1 -> (T2 Int Int)-> (T3 Bool Bool) -> (T4 Float Float) -> T5 () (), u,v :: Int } -- ^ This is the 'C2' record constructor, also with some fields: @@ -210,7 +213,8 @@ data R1 s1 :: Int -- | The 's2' record selector , s2 :: Int - , s3 :: Int, + , s3 :: Int -- NOTE: In the original examples/Test.hs in Haddock, there is an extra "," here. + -- Since GHC doesn't allow that, I have removed it in this file. -- ^ The 's3' record selector } @@ -246,8 +250,7 @@ using double quotes: "Foo". We can add emphasis /like this/. We can also include URLs in documentation: <http://www.haskell.org/>. -} -f :: C a => Int -> Int - +f :: C a => a -> Int -- | we can export foreign declarations too foreign import ccall g :: Int -> IO CInt @@ -346,17 +349,17 @@ test2 data Ex a = forall b . C b => Ex1 b | forall b . Ex2 b - | C a => Ex3 b + | forall b . C a => Ex3 b -- NOTE: I have added "forall b" here make GHC accept this file | Ex4 (forall a . a -> a) -- | This is a function with documentation for each argument -k :: T -- ^ This argument has type 'T' - -> T2 -- ^ This argument has type 'T2' - -> (T3 -> T4) -- ^ This argument has type @T3 -> T4@ - -> T5 -- ^ This argument has a very long description that should - -- hopefully cause some wrapping to happen when it is finally - -- rendered by Haddock in the generated HTML page. - -> IO () -- ^ This is the result type +k :: T () () -- ^ This argument has type 'T' + -> (T2 Int Int) -- ^ This argument has type 'T2 Int Int' + -> (T3 Bool Bool -> T4 Float Float) -- ^ This argument has type @T3 Bool Bool -> T4 Float Float@ + -> T5 () () -- ^ This argument has a very long description that should + -- hopefully cause some wrapping to happen when it is finally + -- rendered by Haddock in the generated HTML page. + -> IO () -- ^ This is the result type -- This function has arg docs but no docs for the function itself l :: (Int, Int, Float) -- ^ takes a triple @@ -364,13 +367,17 @@ l :: (Int, Int, Float) -- ^ takes a triple -- | This function has some arg docs m :: R - -> N1 -- ^ one of the arguments + -> N1 () -- ^ one of the arguments -> IO Int -- ^ and the return value -- | This function has some arg docs but not a return value doc -n :: R -- ^ one of the arguments, an 'R' - -> N1 -- ^ one of the arguments - -> IO Int + +-- can't use the original name ('n') with GHC +newn :: R -- ^ one of the arguments, an 'R' + -> N1 () -- ^ one of the arguments + -> IO Int +newn = undefined + -- | A foreign import with argument docs foreign import ccall unsafe @@ -378,8 +385,23 @@ foreign import ccall unsafe -> IO Float -- ^ The output float -- | We should be able to escape this: \#\#\# -p :: Int + +-- p :: Int +-- can't use the above original definition with GHC +newp :: Int +newp = undefined -- | a function with a prime can be referred to as 'f'' -- but f' doesn't get link'd 'f\'' f' :: Int + + +-- Add some definitions here so that this file can be compiled with GHC + +data T1 +f = undefined +f' = undefined +type CInt = Int +k = undefined +l = undefined +m = undefined |