..\..\typecheck\should_run\Defer01.hs:11:40: Warning: Couldn't match type `Char' with `[Char]' Expected type: String Actual type: Char In the first argument of `putStr', namely ',' In the second argument of `(>>)', namely putStr ',' In the expression: putStr "Hello World" >> putStr ',' ..\..\typecheck\should_run\Defer01.hs:14:5: Warning: Couldn't match expected type `Int' with actual type `Char' In the expression: 'p' In an equation for `a': a = 'p' ..\..\typecheck\should_run\Defer01.hs:18:9: Warning: No instance for (Eq B) arising from a use of `==' In the expression: x == x In an equation for `b': b x = x == x ..\..\typecheck\should_run\Defer01.hs:25:4: Warning: Couldn't match type `Int' with `Bool' Inaccessible code in a pattern with constructor C2 :: Bool -> C Bool, in an equation for `c' In the pattern: C2 x In an equation for `c': c (C2 x) = True ..\..\typecheck\should_run\Defer01.hs:28:5: Warning: No instance for (Num (a -> a)) arising from the literal `1' In the expression: 1 In an equation for `d': d = 1 ..\..\typecheck\should_run\Defer01.hs:31:5: Warning: Couldn't match expected type `Char -> t' with actual type `Char' Relevant bindings include f :: t (bound at ..\..\typecheck\should_run\Defer01.hs:31:1) The function `e' is applied to one argument, but its type `Char' has none In the expression: e 'q' In an equation for `f': f = e 'q' ..\..\typecheck\should_run\Defer01.hs:34:8: Warning: Couldn't match expected type `Char' with actual type `a' `a' is a rigid type variable bound by the type signature for h :: a -> (Char, Char) at ..\..\typecheck\should_run\Defer01.hs:33:6 Relevant bindings include h :: a -> (Char, Char) (bound at ..\..\typecheck\should_run\Defer01.hs:34:1) x :: a (bound at ..\..\typecheck\should_run\Defer01.hs:34:3) In the expression: x In the expression: (x, 'c') In an equation for `h': h x = (x, 'c') ..\..\typecheck\should_run\Defer01.hs:39:17: Warning: Couldn't match expected type `Bool' with actual type `T a' Relevant bindings include i :: a -> () (bound at ..\..\typecheck\should_run\Defer01.hs:39:1) a :: a (bound at ..\..\typecheck\should_run\Defer01.hs:39:3) In the return type of a call of `K' In the first argument of `not', namely `(K a)' In the expression: (not (K a)) ..\..\typecheck\should_run\Defer01.hs:43:5: Warning: No instance for (MyClass a1) arising from a use of `myOp' In the expression: myOp 23 In an equation for `j': j = myOp 23 ..\..\typecheck\should_run\Defer01.hs:43:10: Warning: No instance for (Num a1) arising from the literal `23' The type variable `a1' is ambiguous Note: there are several potential instances: instance Num Double -- Defined in `GHC.Float' instance Num Float -- Defined in `GHC.Float' instance Integral a => Num (GHC.Real.Ratio a) -- Defined in `GHC.Real' ...plus three others In the first argument of `myOp', namely `23' In the expression: myOp 23 In an equation for `j': j = myOp 23 ..\..\typecheck\should_run\Defer01.hs:45:6: Warning: Couldn't match type `Int' with `Bool' Inaccessible code in the type signature for k :: Int ~ Bool => Int -> Bool In the ambiguity check for: Int ~ Bool => Int -> Bool In the type signature for `k': k :: Int ~ Bool => Int -> Bool ..\..\typecheck\should_run\Defer01.hs:45:6: Warning: Couldn't match type `Int' with `Bool' Inaccessible code in the type signature for k :: Int ~ Bool => Int -> Bool ..\..\typecheck\should_run\Defer01.hs:46:7: Warning: Couldn't match expected type `Bool' with actual type `Int' In the expression: x In an equation for `k': k x = x ..\..\typecheck\should_run\Defer01.hs:49:5: Warning: Couldn't match expected type `IO a0' with actual type `Char -> IO ()' In the first argument of `(>>)', namely `putChar' In the expression: putChar >> putChar 'p' In an equation for `l': l = putChar >> putChar 'p' *** Exception: ..\..\typecheck\should_run\Defer01.hs:11:40: Couldn't match type `Char' with `[Char]' Expected type: String Actual type: Char In the first argument of `putStr', namely ',' In the second argument of `(>>)', namely putStr ',' In the expression: putStr "Hello World" >> putStr ',' (deferred type error) *** Exception: ..\..\typecheck\should_run\Defer01.hs:14:5: Couldn't match expected type `Int' with actual type `Char' In the expression: 'p' In an equation for `a': a = 'p' (deferred type error) *** Exception: ..\..\typecheck\should_run\Defer01.hs:18:9: No instance for (Eq B) arising from a use of `==' In the expression: x == x In an equation for `b': b x = x == x (deferred type error) :8:11: Couldn't match type `Bool' with `Int' Expected type: C Int Actual type: C Bool In the return type of a call of `C2' In the first argument of `c', namely `(C2 True)' In the first argument of `print', namely `(c (C2 True))' *** Exception: ..\..\typecheck\should_run\Defer01.hs:28:5: No instance for (Num (a -> a)) arising from the literal `1' In the expression: 1 In an equation for `d': d = 1 (deferred type error) *** Exception: ..\..\typecheck\should_run\Defer01.hs:31:5: Couldn't match expected type `Char -> t' with actual type `Char' Relevant bindings include f :: t (bound at ..\..\typecheck\should_run\Defer01.hs:31:1) The function `e' is applied to one argument, but its type `Char' has none In the expression: e 'q' In an equation for `f': f = e 'q' (deferred type error) *** Exception: ..\..\typecheck\should_run\Defer01.hs:34:8: Couldn't match expected type `Char' with actual type `a' `a' is a rigid type variable bound by the type signature for h :: a -> (Char, Char) at ..\..\typecheck\should_run\Defer01.hs:33:6 Relevant bindings include h :: a -> (Char, Char) (bound at ..\..\typecheck\should_run\Defer01.hs:34:1) x :: a (bound at ..\..\typecheck\should_run\Defer01.hs:34:3) In the expression: x In the expression: (x, 'c') In an equation for `h': h x = (x, 'c') (deferred type error) *** Exception: ..\..\typecheck\should_run\Defer01.hs:39:17: Couldn't match expected type `Bool' with actual type `T a' Relevant bindings include i :: a -> () (bound at ..\..\typecheck\should_run\Defer01.hs:39:1) a :: a (bound at ..\..\typecheck\should_run\Defer01.hs:39:3) In the return type of a call of `K' In the first argument of `not', namely `(K a)' In the expression: (not (K a)) (deferred type error) *** Exception: ..\..\typecheck\should_run\Defer01.hs:43:5: No instance for (MyClass a1) arising from a use of `myOp' In the expression: myOp 23 In an equation for `j': j = myOp 23 (deferred type error) :14:8: Couldn't match expected type `Bool' with actual type `Int' In the first argument of `print', namely `(k 2)' In the expression: print (k 2) In an equation for `it': it = print (k 2) *** Exception: ..\..\typecheck\should_run\Defer01.hs:49:5: Couldn't match expected type `IO a0' with actual type `Char -> IO ()' In the first argument of `(>>)', namely `putChar' In the expression: putChar >> putChar 'p' In an equation for `l': l = putChar >> putChar 'p' (deferred type error)