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Defer01.hs:11:40: warning: [-Wdeferred-type-errors (in -Wdefault)]
    • 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 ','

Defer01.hs:14:5: warning: [-Wdeferred-type-errors (in -Wdefault)]
    • Couldn't match expected type ‘Int’ with actual type ‘Char’
    • In the expression: 'p'
      In an equation for ‘a’: a = 'p'

Defer01.hs:25:1: warning: [-Woverlapping-patterns (in -Wdefault)]
    Pattern match has inaccessible right hand side
    In an equation for ‘c’: c (C2 x) = ...

Defer01.hs:25:4: warning: [-Winaccessible-code (in -Wdefault)]
    • 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

Defer01.hs:31:5: warning: [-Wdeferred-type-errors (in -Wdefault)]
    • Couldn't match expected type ‘Char -> t’ with actual type ‘Char’
    • 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'
    • Relevant bindings include f :: t (bound at Defer01.hs:31:1)

Defer01.hs:34:8: warning: [-Wdeferred-type-errors (in -Wdefault)]
    • Couldn't match expected type ‘Char’ with actual type ‘a’
      ‘a’ is a rigid type variable bound by
        the type signature for:
          h :: forall a. a -> (Char, Char)
        at Defer01.hs:33:1-21
    • In the expression: x
      In the expression: (x, 'c')
      In an equation for ‘h’: h x = (x, 'c')
    • Relevant bindings include
        x :: a (bound at Defer01.hs:34:3)
        h :: a -> (Char, Char) (bound at Defer01.hs:34:1)

Defer01.hs:39:17: warning: [-Wdeferred-type-errors (in -Wdefault)]
    • Couldn't match expected type ‘Bool’ with actual type ‘T a’
    • In the first argument of ‘not’, namely ‘(K a)’
      In the first argument of ‘seq’, namely ‘(not (K a))’
      In the expression: seq (not (K a)) ()
    • Relevant bindings include
        a :: a (bound at Defer01.hs:39:3)
        i :: a -> () (bound at Defer01.hs:39:1)

Defer01.hs:47:7: warning: [-Wdeferred-type-errors (in -Wdefault)]
    • Couldn't match expected type ‘Bool’ with actual type ‘Int’
    • In the expression: x
      In an equation for ‘k’: k x = x

Defer01.hs:50:5: warning: [-Wdeferred-type-errors (in -Wdefault)]
    • Couldn't match expected type ‘IO a0’
                  with actual type ‘Char -> IO ()’
    • Probable cause: ‘putChar’ is applied to too few arguments
      In the first argument of ‘(>>)’, namely ‘putChar’
      In the expression: putChar >> putChar 'p'
      In an equation for ‘l’: l = putChar >> putChar 'p'
*** Exception: Defer01.hs:11:40: error:
    • 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: Defer01.hs:14:5: error:
    • 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: Defer01.hs:18:7: error:
    • 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)

<interactive>:10:11: error:
    • Couldn't match type ‘Bool’ with ‘Int’
      Expected type: C Int
        Actual type: C Bool
    • In the first argument of ‘c’, namely ‘(C2 True)’
      In the first argument of ‘print’, namely ‘(c (C2 True))’
      In the expression: print (c (C2 True))
*** Exception: Defer01.hs:28:5: error:
    • No instance for (Num (a -> a)) arising from the literal ‘1’
        (maybe you haven't applied a function to enough arguments?)
    • In the expression: 1
      In an equation for ‘d’: d = 1
(deferred type error)
*** Exception: Defer01.hs:31:5: error:
    • Couldn't match expected type ‘Char -> t’ with actual type ‘Char’
    • 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'
    • Relevant bindings include f :: t (bound at Defer01.hs:31:1)
(deferred type error)
*** Exception: Defer01.hs:34:8: error:
    • Couldn't match expected type ‘Char’ with actual type ‘a’
      ‘a’ is a rigid type variable bound by
        the type signature for:
          h :: forall a. a -> (Char, Char)
        at Defer01.hs:33:1-21
    • In the expression: x
      In the expression: (x, 'c')
      In an equation for ‘h’: h x = (x, 'c')
    • Relevant bindings include
        x :: a (bound at Defer01.hs:34:3)
        h :: a -> (Char, Char) (bound at Defer01.hs:34:1)
(deferred type error)
*** Exception: Defer01.hs:39:17: error:
    • Couldn't match expected type ‘Bool’ with actual type ‘T a’
    • In the first argument of ‘not’, namely ‘(K a)’
      In the first argument of ‘seq’, namely ‘(not (K a))’
      In the expression: seq (not (K a)) ()
    • Relevant bindings include
        a :: a (bound at Defer01.hs:39:3)
        i :: a -> () (bound at Defer01.hs:39:1)
(deferred type error)
*** Exception: Defer01.hs:43:5: error:
    • 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)

<interactive>:16:8: error:
    • Couldn't match type ‘Int’ with ‘Bool’ arising from a use of ‘k’
    • 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: Defer01.hs:50:5: error:
    • Couldn't match expected type ‘IO a0’
                  with actual type ‘Char -> IO ()’
    • Probable cause: ‘putChar’ is applied to too few arguments
      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)