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Remove redundant second argument of ToSample class

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This commit is contained in:
Nickolay Kudasov 2015-09-24 14:00:39 +03:00
parent c4561b4c6c
commit 0082d2bd2f
3 changed files with 52 additions and 55 deletions
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4
servant-docs/example/greet.hs
View File

@ -53,13 +53,13 @@ instance ToParam (MatrixParam "lang" String) where
"Get the greeting message selected language. Default is en."
Normal
instance ToSample Greet Greet where
instance ToSample Greet where
toSamples _ =
[ ("If you use ?capital=true", Greet "HELLO, HASKELLER")
, ("If you use ?capital=false", Greet "Hello, haskeller")
]
instance ToSample Int Int where
instance ToSample Int where
toSamples _ = singleSample 1729
-- We define some introductory sections, these will appear at the top of the

95
servant-docs/src/Servant/Docs/Internal.hs
View File

@ -403,13 +403,13 @@ class HasDocs layout where
-- 'toSample': it lets you specify different responses along with
-- some context (as 'Text') that explains when you're supposed to
-- get the corresponding response.
class ToSample a b | a -> b where
toSamples :: Proxy a -> [(Text, b)]
default toSamples :: (Generic a, Generic b, GToSample (Rep a) (Rep b)) => Proxy a -> [(Text, b)]
class ToSample a where
toSamples :: Proxy a -> [(Text, a)]
default toSamples :: (Generic a, GToSample (Rep a)) => Proxy a -> [(Text, a)]
toSamples = defaultSamples
-- | Sample input or output (if there is at least one).
toSample :: forall a b. ToSample a b => Proxy a -> Maybe b
toSample :: forall a. ToSample a => Proxy a -> Maybe a
toSample _ = snd <$> listToMaybe (toSamples (Proxy :: Proxy a))
-- | No samples.
@ -425,22 +425,22 @@ samples :: [a] -> [(Text, a)]
samples = map ("",)
-- | Default sample Generic-based inputs/outputs.
defaultSamples :: forall a b. (Generic a, Generic b, GToSample (Rep a) (Rep b)) => Proxy a -> [(Text, b)]
defaultSamples :: forall a. (Generic a, GToSample (Rep a)) => Proxy a -> [(Text, a)]
defaultSamples _ = Omega.runOmega $ second to <$> gtoSamples (Proxy :: Proxy (Rep a))
-- | @'ToSample'@ for Generics.
--
-- The use of @'Omega'@ allows for more productive sample generation.
class GToSample t s where
gtoSamples :: proxy t -> Omega.Omega (Text, s x)
class GToSample t where
gtoSamples :: proxy t -> Omega.Omega (Text, t x)
instance GToSample U1 U1 where
instance GToSample U1 where
gtoSamples _ = Omega.each (singleSample U1)
instance GToSample V1 V1 where
instance GToSample V1 where
gtoSamples _ = empty
instance (GToSample p p', GToSample q q') => GToSample (p :*: q) (p' :*: q') where
instance (GToSample p, GToSample q) => GToSample (p :*: q) where
gtoSamples _ = render <$> ps <*> qs
where
ps = gtoSamples (Proxy :: Proxy p)
@ -449,21 +449,18 @@ instance (GToSample p p', GToSample q q') => GToSample (p :*: q) (p' :*: q') whe
| T.null ta || T.null tb = (ta <> tb, a :*: b)
| otherwise = (ta <> ", " <> tb, a :*: b)
instance (GToSample p p', GToSample q q') => GToSample (p :+: q) (p' :+: q') where
instance (GToSample p, GToSample q) => GToSample (p :+: q) where
gtoSamples _ = lefts <|> rights
where
lefts = second L1 <$> gtoSamples (Proxy :: Proxy p)
rights = second R1 <$> gtoSamples (Proxy :: Proxy q)
instance ToSample a b => GToSample (K1 i a) (K1 i b) where
instance ToSample a => GToSample (K1 i a) where
gtoSamples _ = second K1 <$> Omega.each (toSamples (Proxy :: Proxy a))
instance (GToSample f g) => GToSample (M1 i a f) (M1 i a g) where
instance (GToSample f) => GToSample (M1 i a f) where
gtoSamples _ = second M1 <$> gtoSamples (Proxy :: Proxy f)
instance ToSample a b => ToSample (Headers ls a) b where
toSamples _ = toSamples (Proxy :: Proxy a)
class AllHeaderSamples ls where
allHeaderToSample :: Proxy ls -> [HTTP.Header]
@ -471,7 +468,7 @@ class AllHeaderSamples ls where
instance AllHeaderSamples '[] where
allHeaderToSample _ = []
instance (ToByteString l, AllHeaderSamples ls, ToSample l l, KnownSymbol h)
instance (ToByteString l, AllHeaderSamples ls, ToSample l, KnownSymbol h)
=> AllHeaderSamples (Header h l ': ls) where
allHeaderToSample _ = (mkHeader (toSample (Proxy :: Proxy l))) :
allHeaderToSample (Proxy :: Proxy ls)
@ -481,7 +478,7 @@ instance (ToByteString l, AllHeaderSamples ls, ToSample l l, KnownSymbol h)
-- | Synthesise a sample value of a type, encoded in the specified media types.
sampleByteString
:: forall ctypes a b. (ToSample a b, IsNonEmpty ctypes, AllMimeRender ctypes b)
:: forall ctypes a. (ToSample a, IsNonEmpty ctypes, AllMimeRender ctypes a)
=> Proxy ctypes
-> Proxy a
-> [(M.MediaType, ByteString)]
@ -491,7 +488,7 @@ sampleByteString ctypes@Proxy Proxy =
-- | Synthesise a list of sample values of a particular type, encoded in the
-- specified media types.
sampleByteStrings
:: forall ctypes a b. (ToSample a b, IsNonEmpty ctypes, AllMimeRender ctypes b)
:: forall ctypes a. (ToSample a, IsNonEmpty ctypes, AllMimeRender ctypes a)
=> Proxy ctypes
-> Proxy a
-> [(Text, M.MediaType, ByteString)]
@ -728,7 +725,7 @@ instance
#if MIN_VERSION_base(4,8,0)
{-# OVERLAPPABLe #-}
#endif
(ToSample a b, IsNonEmpty cts, AllMimeRender cts b, SupportedTypes cts)
(ToSample a, IsNonEmpty cts, AllMimeRender cts a, SupportedTypes cts)
=> HasDocs (Delete cts a) where
docsFor Proxy (endpoint, action) DocOptions{..} =
single endpoint' action'
@ -743,7 +740,7 @@ instance
#if MIN_VERSION_base(4,8,0)
{-# OVERLAPPING #-}
#endif
(ToSample a b, IsNonEmpty cts, AllMimeRender cts b, SupportedTypes cts
(ToSample a, IsNonEmpty cts, AllMimeRender cts a, SupportedTypes cts
, AllHeaderSamples ls , GetHeaders (HList ls) )
=> HasDocs (Delete cts (Headers ls a)) where
docsFor Proxy (endpoint, action) DocOptions{..} =
@ -761,7 +758,7 @@ instance
#if MIN_VERSION_base(4,8,0)
{-# OVERLAPPABLe #-}
#endif
(ToSample a b, IsNonEmpty cts, AllMimeRender cts b, SupportedTypes cts)
(ToSample a, IsNonEmpty cts, AllMimeRender cts a, SupportedTypes cts)
=> HasDocs (Get cts a) where
docsFor Proxy (endpoint, action) DocOptions{..} =
single endpoint' action'
@ -776,7 +773,7 @@ instance
#if MIN_VERSION_base(4,8,0)
{-# OVERLAPPING #-}
#endif
(ToSample a b, IsNonEmpty cts, AllMimeRender cts b, SupportedTypes cts
(ToSample a, IsNonEmpty cts, AllMimeRender cts a, SupportedTypes cts
, AllHeaderSamples ls , GetHeaders (HList ls) )
=> HasDocs (Get cts (Headers ls a)) where
docsFor Proxy (endpoint, action) DocOptions{..} =
@ -803,7 +800,7 @@ instance
#if MIN_VERSION_base(4,8,0)
{-# OVERLAPPABLE #-}
#endif
(ToSample a b, IsNonEmpty cts, AllMimeRender cts b, SupportedTypes cts)
(ToSample a, IsNonEmpty cts, AllMimeRender cts a, SupportedTypes cts)
=> HasDocs (Post cts a) where
docsFor Proxy (endpoint, action) DocOptions{..} =
single endpoint' action'
@ -819,7 +816,7 @@ instance
#if MIN_VERSION_base(4,8,0)
{-# OVERLAPPING #-}
#endif
(ToSample a b, IsNonEmpty cts, AllMimeRender cts b, SupportedTypes cts
(ToSample a, IsNonEmpty cts, AllMimeRender cts a, SupportedTypes cts
, AllHeaderSamples ls , GetHeaders (HList ls) )
=> HasDocs (Post cts (Headers ls a)) where
docsFor Proxy (endpoint, action) DocOptions{..} =
@ -838,7 +835,7 @@ instance
#if MIN_VERSION_base(4,8,0)
{-# OVERLAPPABLE #-}
#endif
(ToSample a b, IsNonEmpty cts, AllMimeRender cts b, SupportedTypes cts)
(ToSample a, IsNonEmpty cts, AllMimeRender cts a, SupportedTypes cts)
=> HasDocs (Put cts a) where
docsFor Proxy (endpoint, action) DocOptions{..} =
single endpoint' action'
@ -854,7 +851,7 @@ instance
#if MIN_VERSION_base(4,8,0)
{-# OVERLAPPING #-}
#endif
(ToSample a b, IsNonEmpty cts, AllMimeRender cts b, SupportedTypes cts
(ToSample a, IsNonEmpty cts, AllMimeRender cts a, SupportedTypes cts
, AllHeaderSamples ls , GetHeaders (HList ls) )
=> HasDocs (Put cts (Headers ls a)) where
docsFor Proxy (endpoint, action) DocOptions{..} =
@ -951,7 +948,7 @@ instance HasDocs Raw where
-- example data. However, there's no reason to believe that the instances of
-- 'AllMimeUnrender' and 'AllMimeRender' actually agree (or to suppose that
-- both are even defined) for any particular type.
instance (ToSample a b, IsNonEmpty cts, AllMimeRender cts b, HasDocs sublayout
instance (ToSample a, IsNonEmpty cts, AllMimeRender cts a, HasDocs sublayout
, SupportedTypes cts)
=> HasDocs (ReqBody cts a :> sublayout) where
@ -990,32 +987,32 @@ instance HasDocs sublayout => HasDocs (Vault :> sublayout) where
docsFor (Proxy :: Proxy sublayout) ep
-- ToSample instances for simple types
instance ToSample () ()
instance ToSample Bool Bool
instance ToSample Ordering Ordering
instance ToSample ()
instance ToSample Bool
instance ToSample Ordering
-- polymorphic ToSample instances
instance (ToSample a a, ToSample b b) => ToSample (a, b) (a, b)
instance (ToSample a a, ToSample b b, ToSample c c) => ToSample (a, b, c) (a, b, c)
instance (ToSample a a, ToSample b b, ToSample c c, ToSample d d) => ToSample (a, b, c, d) (a, b, c, d)
instance (ToSample a a, ToSample b b, ToSample c c, ToSample d d, ToSample e e) => ToSample (a, b, c, d, e) (a, b, c, d, e)
instance (ToSample a a, ToSample b b, ToSample c c, ToSample d d, ToSample e e, ToSample f f) => ToSample (a, b, c, d, e, f) (a, b, c, d, e, f)
instance (ToSample a a, ToSample b b, ToSample c c, ToSample d d, ToSample e e, ToSample f f, ToSample g g) => ToSample (a, b, c, d, e, f, g) (a, b, c, d, e, f, g)
instance (ToSample a, ToSample b) => ToSample (a, b)
instance (ToSample a, ToSample b, ToSample c) => ToSample (a, b, c)
instance (ToSample a, ToSample b, ToSample c, ToSample d) => ToSample (a, b, c, d)
instance (ToSample a, ToSample b, ToSample c, ToSample d, ToSample e) => ToSample (a, b, c, d, e)
instance (ToSample a, ToSample b, ToSample c, ToSample d, ToSample e, ToSample f) => ToSample (a, b, c, d, e, f)
instance (ToSample a, ToSample b, ToSample c, ToSample d, ToSample e, ToSample f, ToSample g) => ToSample (a, b, c, d, e, f, g)
instance ToSample a a => ToSample (Maybe a) (Maybe a)
instance (ToSample a a, ToSample b b) => ToSample (Either a b) (Either a b)
instance ToSample a a => ToSample [a] [a]
instance ToSample a => ToSample (Maybe a)
instance (ToSample a, ToSample b) => ToSample (Either a b)
instance ToSample a => ToSample [a]
-- ToSample instances for Control.Applicative types
instance ToSample a a => ToSample (Const a b) (Const a b)
instance ToSample a a => ToSample (ZipList a) (ZipList a)
instance ToSample a => ToSample (Const a b)
instance ToSample a => ToSample (ZipList a)
-- ToSample instances for Data.Monoid newtypes
instance ToSample All All
instance ToSample Any Any
instance ToSample a a => ToSample (Sum a) (Sum a)
instance ToSample a a => ToSample (Product a) (Product a)
instance ToSample a a => ToSample (First a) (First a)
instance ToSample a a => ToSample (Last a) (Last a)
instance ToSample a a => ToSample (Dual a) (Dual a)
instance ToSample All
instance ToSample Any
instance ToSample a => ToSample (Sum a)
instance ToSample a => ToSample (Product a)
instance ToSample a => ToSample (First a)
instance ToSample a => ToSample (Last a)
instance ToSample a => ToSample (Dual a)

8
servant-examples/tutorial/T10.hs
View File

@ -23,7 +23,7 @@ instance ToCapture (Capture "x" Int) where
instance ToCapture (Capture "y" Int) where
toCapture _ = DocCapture "y" "(integer) position on the y axis"
instance ToSample T3.Position T3.Position where
instance ToSample T3.Position where
toSamples _ = singleSample (T3.Position 3 14)
instance ToParam (QueryParam "name" String) where
@ -33,7 +33,7 @@ instance ToParam (QueryParam "name" String) where
"Name of the person to say hello to."
Normal
instance ToSample T3.HelloMessage T3.HelloMessage where
instance ToSample T3.HelloMessage where
toSamples _ =
[ ("When a value is provided for 'name'", T3.HelloMessage "Hello, Alp")
, ("When 'name' is not specified", T3.HelloMessage "Hello, anonymous coward")
@ -42,10 +42,10 @@ instance ToSample T3.HelloMessage T3.HelloMessage where
ci :: T3.ClientInfo
ci = T3.ClientInfo "Alp" "alp@foo.com" 26 ["haskell", "mathematics"]
instance ToSample T3.ClientInfo T3.ClientInfo where
instance ToSample T3.ClientInfo where
toSamples _ = singleSample ci
instance ToSample T3.Email T3.Email where
instance ToSample T3.Email where
toSamples _ = singleSample (T3.emailForClient ci)
api :: Proxy DocsAPI