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test-hole-plugin.hs:12:5: warning: [GHC-88464] [-Wtyped-holes (in -Wdefault)]
    • Found hole: _too_long :: [Int] -> Int
      Or perhaps ‘_too_long’ is mis-spelled, or not in scope
    • In an equation for ‘f’: f = _too_long
    • Relevant bindings include
        f :: [Int] -> Int (bound at test-hole-plugin.hs:12:1)
      Valid hole fits include
        Error: Too many holes were checked, and the search aborted forthis hole. Try again with a higher limit.

test-hole-plugin.hs:13:5: warning: [GHC-88464] [-Wtyped-holes (in -Wdefault)]
    • Found hole: _ :: [Int] -> Int
    • In an equation for ‘j’: j = _
    • Relevant bindings include
        j :: [Int] -> Int (bound at test-hole-plugin.hs:13:1)
      Valid hole fits include
        j :: [Int] -> Int
        f :: [Int] -> Int
        i :: [Int] -> Int
        g :: [Int] -> Int
        h :: [Int] -> Int
        head :: forall a. GHC.Stack.Types.HasCallStack => [a] -> a
        (Some hole fits suppressed; use -fmax-valid-hole-fits=N or -fno-max-valid-hole-fits)

test-hole-plugin.hs:14:5: warning: [GHC-88464] [-Wtyped-holes (in -Wdefault)]
    • Found hole: _sort_by_mod_desc :: [Int] -> Int
      Or perhaps ‘_sort_by_mod_desc’ is mis-spelled, or not in scope
    • In an equation for ‘i’: i = _sort_by_mod_desc
    • Relevant bindings include
        i :: [Int] -> Int (bound at test-hole-plugin.hs:14:1)
      Valid hole fits include
        sum :: forall (t :: * -> *) a. (Foldable t, Num a) => t a -> a
        product :: forall (t :: * -> *) a. (Foldable t, Num a) => t a -> a
        minimum :: forall (t :: * -> *) a. (Foldable t, Ord a) => t a -> a
        maximum :: forall (t :: * -> *) a. (Foldable t, Ord a) => t a -> a
        length :: forall (t :: * -> *) a. Foldable t => t a -> Int
        last :: forall a. GHC.Stack.Types.HasCallStack => [a] -> a
        (Some hole fits suppressed; use -fmax-valid-hole-fits=N or -fno-max-valid-hole-fits)

test-hole-plugin.hs:15:5: warning: [GHC-88464] [-Wtyped-holes (in -Wdefault)]
    • Found hole: _only_Data_List :: [Int] -> Int
      Or perhaps ‘_only_Data_List’ is mis-spelled, or not in scope
    • In an equation for ‘g’: g = _only_Data_List
    • Relevant bindings include
        g :: [Int] -> Int (bound at test-hole-plugin.hs:15:1)
      Valid hole fits include
        head :: forall a. GHC.Stack.Types.HasCallStack => [a] -> a
        last :: forall a. GHC.Stack.Types.HasCallStack => [a] -> a

test-hole-plugin.hs:16:5: warning: [GHC-88464] [-Wtyped-holes (in -Wdefault)]
    • Found hole: _only_Prelude :: [Int] -> Int
      Or perhaps ‘_only_Prelude’ is mis-spelled, or not in scope
    • In an equation for ‘h’: h = _only_Prelude
    • Relevant bindings include
        h :: [Int] -> Int (bound at test-hole-plugin.hs:16:1)
      Valid hole fits include
        length :: forall (t :: * -> *) a. Foldable t => t a -> Int
        maximum :: forall (t :: * -> *) a. (Foldable t, Ord a) => t a -> a
        minimum :: forall (t :: * -> *) a. (Foldable t, Ord a) => t a -> a
        product :: forall (t :: * -> *) a. (Foldable t, Num a) => t a -> a
        sum :: forall (t :: * -> *) a. (Foldable t, Num a) => t a -> a