{-# LANGUAGE AllowAmbiguousTypes #-}
{-# LANGUAGE CPP #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE PolyKinds #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TypeApplications #-}
module Test.Syd.Validity.Utils
( nameOf,
genDescr,
binRelStr,
shouldBeValid,
shouldBeInvalid,
Anon (..),
)
where
import Data.Data
import Test.Syd.Validity.Property.Utils
nameOf ::
forall a.
Typeable a =>
String
nameOf :: String
nameOf =
let s :: String
s = TypeRep -> String
forall a. Show a => a -> String
show (TypeRep -> String) -> TypeRep -> String
forall a b. (a -> b) -> a -> b
$ Proxy a -> TypeRep
forall k (proxy :: k -> *) (a :: k).
Typeable a =>
proxy a -> TypeRep
typeRep (Proxy a
forall k (t :: k). Proxy t
Proxy @a)
in if Char
' ' Char -> String -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` String
s
then String
"(" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
s String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
")"
else String
s
genDescr ::
forall a.
Typeable a =>
String ->
String
genDescr :: String -> String
genDescr String
genname = [String] -> String
unwords [String
"\"" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
genname, String
"::", Typeable a => String
forall k (a :: k). Typeable a => String
nameOf @a String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"\""]
binRelStr ::
forall a.
Typeable a =>
String ->
String
binRelStr :: String -> String
binRelStr String
op = [String] -> String
unwords [String
"(" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
op String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
")", String
"::", String
name, String
"->", String
name, String
"->", String
"Bool"]
where
name :: String
name = Typeable a => String
forall k (a :: k). Typeable a => String
nameOf @a
newtype Anon a
= Anon a
instance Show (Anon a) where
show :: Anon a -> String
show Anon a
_ = String
"Anonymous"
instance Functor Anon where
fmap :: (a -> b) -> Anon a -> Anon b
fmap a -> b
f (Anon a
a) = b -> Anon b
forall a. a -> Anon a
Anon (a -> b
f a
a)