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Testing Enum Int:
(succ (0::Int)) = 1
(succ (minBound::Int)) = -9223372036854775807
(succ (maxBound::Int)) = error "Prelude.Enum.succ{Int}: tried to take `succ' of maxBound"
pred (1::Int) = 0
pred (maxBound::Int) = 9223372036854775806
pred (minBound::Int) = error "Prelude.Enum.pred{Int}: tried to take `pred' of minBound"
(map (toEnum::Int->Int) [1,minBound,maxBound]) = [1,-9223372036854775808,9223372036854775807]
(map fromEnum [(1::Int),minBound,maxBound]) = [1,-9223372036854775808,9223372036854775807]
(take 7 [(1::Int)..]) = [1,2,3,4,5,6,7]
(take 7 [((maxBound::Int)-5)..]) = [9223372036854775802,9223372036854775803,9223372036854775804,9223372036854775805,9223372036854775806,9223372036854775807]
(take 7 [(1::Int),2..]) = [1,2,3,4,5,6,7]
(take 7 [(1::Int),7..]) = [1,7,13,19,25,31,37]
(take 7 [(1::Int),1..]) = [1,1,1,1,1,1,1]
(take 7 [(1::Int),0..]) = [1,0,-1,-2,-3,-4,-5]
(take 7 [(5::Int),2..]) = [5,2,-1,-4,-7,-10,-13]
(take 7 [x, x-1 ..]) = [-9223372036854775807,-9223372036854775808]
(take 7 [x, x-1 ..]) = [-9223372036854775803,-9223372036854775804,-9223372036854775805,-9223372036854775806,-9223372036854775807,-9223372036854775808]
(take 7 [x, (x+1) ..]) = [9223372036854775802,9223372036854775803,9223372036854775804,9223372036854775805,9223372036854775806,9223372036854775807]
(take 7 ([(1::Int) .. 5])) = [1,2,3,4,5]
(take 4 ([(1::Int) .. 1])) = [1]
(take 7 ([(1::Int) .. 0])) = []
(take 7 ([(5::Int) .. 0])) = []
(take 7 ([(maxBound-(5::Int)) .. maxBound])) = [9223372036854775802,9223372036854775803,9223372036854775804,9223372036854775805,9223372036854775806,9223372036854775807]
(take 7 ([(minBound+(5::Int)) .. minBound])) = []
(take 7 [(5::Int),4..1]) = [5,4,3,2,1]
(take 7 [(5::Int),3..1]) = [5,3,1]
(take 7 [(5::Int),3..2]) = [5,3]
(take 7 [(1::Int),2..1]) = [1]
(take 7 [(2::Int),1..2]) = [2]
(take 7 [(2::Int),1..1]) = [2,1]
(take 7 [(2::Int),3..1]) = []
(take 7 [x,(x+1)..maxBound]) = [9223372036854775803,9223372036854775804,9223372036854775805,9223372036854775806,9223372036854775807]
(take 7 [x,(x-1)..minBound]) = [-9223372036854775803,-9223372036854775804,-9223372036854775805,-9223372036854775806,-9223372036854775807,-9223372036854775808]
Testing Enum Integer:
(succ (0::Integer)) = 1
(succ ((-1)::Integer)) = 0
pred (1::Integer) = 0
pred (0::Integer) = -1
(map (toEnum::Int->Integer) [1,minBound,maxBound]) = [1,-9223372036854775808,9223372036854775807]
(map fromEnum [(1::Integer),42,45]) = [1,42,45]
(take 7 [(1::Integer)..]) = [1,2,3,4,5,6,7]
(take 7 [(-5::Integer)..]) = [-5,-4,-3,-2,-1,0,1]
(take 7 [(1::Integer),2..]) = [1,2,3,4,5,6,7]
(take 7 [(1::Integer),7..]) = [1,7,13,19,25,31,37]
(take 7 [(1::Integer),1..]) = [1,1,1,1,1,1,1]
(take 7 [(1::Integer),0..]) = [1,0,-1,-2,-3,-4,-5]
(take 7 [(5::Integer),2..]) = [5,2,-1,-4,-7,-10,-13]
(take 7 ([(1::Integer) .. 5])) = [1,2,3,4,5]
(take 4 ([(1::Integer) .. 1])) = [1]
(take 7 ([(1::Integer) .. 0])) = []
(take 7 ([(5::Integer) .. 0])) = []
(take 7 [(5::Integer),4..1]) = [5,4,3,2,1]
(take 7 [(5::Integer),3..1]) = [5,3,1]
(take 7 [(5::Integer),3..2]) = [5,3]
(take 7 [(1::Integer),2..1]) = [1]
(take 7 [(2::Integer),1..2]) = [2]
(take 7 [(2::Integer),1..1]) = [2,1]
(take 7 [(2::Integer),3..1]) = []
Testing Enum Char:
(succ 'a') = 'b'
(succ (minBound::Char)) = '\SOH'
(succ (maxBound::Char)) = error "Prelude.Enum.Char.succ: bad argument"
(pred 'b') = 'a'
pred (maxBound::Char) = '\1114110'
pred (minBound::Char) = error "Prelude.Enum.Char.pred: bad argument"
(map (toEnum::Int->Char) [123,ord (minBound::Char), ord(maxBound::Char)]) = "{\NUL\1114111"
(toEnum::Int->Char) (minBound::Int) = error "Prelude.chr: bad argument"
(map fromEnum ['X',minBound,maxBound]) = [88,0,1114111]
(take 7 ['\NUL' .. ]) = "\NUL\SOH\STX\ETX\EOT\ENQ\ACK"
(take 7 ['\250' .. ]) = "\250\251\252\253\254\255\256"
(take 7 ['a','b'..]) = "abcdefg"
(take 7 ['a','e'..]) = "aeimquy"
(take 7 ['a','a'..]) = "aaaaaaa"
(take 7 ['z','y'..]) = "zyxwvut"
(take 7 ['z','v'..]) = "zvrnjfb"
(take 7 ['\1', '\0' ..]) = "\SOH\NUL"
(take 7 ['\5', '\4' ..]) = "\ENQ\EOT\ETX\STX\SOH\NUL"
(take 7 ['\250', '\251' ..]) = "\250\251\252\253\254\255\256"
(take 7 (['a' .. 'e'])) = "abcde"
(take 4 (['a' .. 'a'])) = "a"
(take 7 (['b' .. 'a'])) = ""
(take 7 (['e' .. 'a'])) = ""
(take 7 (['\250' .. '\255'])) = "\250\251\252\253\254\255"
(take 7 (['\5' .. '\0'])) = ""
(take 7 ['f','e' .. 'b']) = "fedcb"
(take 7 ['g','e' .. 'b']) = "gec"
(take 7 ['g','d' .. 'c']) = "gd"
(take 7 ['b','c' .. 'b']) = "b"
(take 7 ['c','b' .. 'c']) = "c"
(take 7 ['c','b' .. 'b']) = "cb"
(take 7 ['c','d' .. 'b']) = ""
(take 7 ['\251', '\252' .. maxBound]) = "\251\252\253\254\255\256\257"
(take 7 ['\5', '\4' .. minBound]) = "\ENQ\EOT\ETX\STX\SOH\NUL"
Testing Enum ():
(succ ()) = error "Prelude.Enum.().succ: bad argument"
(succ (minBound::())) = error "Prelude.Enum.().succ: bad argument"
(succ (maxBound::())) = error "Prelude.Enum.().succ: bad argument"
(pred ()) = error "Prelude.Enum.().pred: bad argument"
(pred (minBound::())) = error "Prelude.Enum.().pred: bad argument"
(pred (maxBound::())) = error "Prelude.Enum.().pred: bad argument"
(toEnum 0)::() = ()
(toEnum 1)::() = error "Prelude.Enum.().toEnum: bad argument"
(fromEnum ()) = 0
(take 7 [()..]) = [()]
(take 7 [(),()..]) = [(),(),(),(),(),(),()]
(take 7 [()..()]) = [()]
(take 7 [(),()..()]) = [(),(),(),(),(),(),()]
Testing Enum Ordering (derived):
(succ LT) = EQ
(succ (minBound::Ordering)) = EQ
(succ (maxBound::Ordering)) = error "Prelude.Enum.Ordering.succ: bad argument"
(pred GT) = EQ
(pred (maxBound::Ordering)) = EQ
(pred (minBound::Ordering)) = error "Prelude.Enum.Ordering.pred: bad argument"
(toEnum 0)::Ordering = LT
(toEnum 5)::Ordering = error "Prelude.Enum.Ordering.toEnum: bad argument"
(fromEnum LT) = 0
(fromEnum EQ) = 1
(fromEnum GT) = 2
([LT ..]) = [LT,EQ,GT]
([EQ ..]) = [EQ,GT]
([GT ..]) = [GT]
([LT,EQ ..]) = [LT,EQ,GT]
([EQ,GT ..]) = [EQ,GT]
([EQ,LT ..]) = [EQ,LT]
([LT,GT ..]) = [LT,GT]
([GT,LT ..]) = [GT,LT]
take 7 (([GT,GT ..])) = [GT,GT,GT,GT,GT,GT,GT]
take 7 (([LT,LT ..])) = [LT,LT,LT,LT,LT,LT,LT]
([LT .. GT]) = [LT,EQ,GT]
([LT .. EQ]) = [LT,EQ]
([LT .. LT]) = [LT]
([GT .. LT]) = []
([GT .. EQ]) = []
([GT .. GT]) = [GT]
([LT,EQ .. GT]) = [LT,EQ,GT]
([GT,EQ .. LT]) = [GT,EQ,LT]
([GT,EQ .. EQ]) = [GT,EQ]
([GT,EQ .. GT]) = [GT]
([GT,EQ .. LT]) = [GT,EQ,LT]
([LT,EQ .. LT]) = [LT]
([LT,EQ .. GT]) = [LT,EQ,GT]
take 7 (([LT,LT .. GT])) = [LT,LT,LT,LT,LT,LT,LT]
take 7 (([GT,GT .. LT])) = []
Testing Enum Bool:
(succ False) = True
(succ (minBound::Bool)) = True
(succ (maxBound::Bool)) = error "Prelude.Enum.Bool.succ: bad argument"
(pred True) = False
(pred (maxBound::Bool)) = False
(pred (minBound::Bool)) = error "Prelude.Enum.Bool.pred: bad argument"
(toEnum 0)::Bool = False
(toEnum 5)::Bool = error "Prelude.Enum.Bool.toEnum: bad argument"
(fromEnum False) = 0
(fromEnum True) = 1
([False ..]) = [False,True]
([True ..]) = [True]
([False,True ..]) = [False,True]
([True,False ..]) = [True,False]
(take 7 ([False,False ..])) = [False,False,False,False,False,False,False]
(take 7 ([True,True ..])) = [True,True,True,True,True,True,True]
([False .. True]) = [False,True]
([True .. False]) = []
take 7 ([False,False .. False]) = [False,False,False,False,False,False,False]
take 7 ([False,False .. True]) = [False,False,False,False,False,False,False]
take 7 ([False,True .. False]) = [False]
take 7 ([False,True .. True]) = [False,True]
take 7 ([True,False .. False]) = [True,False]
take 7 ([True,False .. True]) = [True]
take 7 ([True,True .. False]) = []
take 7 ([True,True .. True]) = [True,True,True,True,True,True,True]
Testing Enum Rational:
(succ (0::Rational)) = 1%1
(succ ((-1)::Rational)) = 0%1
pred (1::Rational) = 0%1
pred (0::Rational) = (-1)%1
(map (toEnum::Int->Rational) [1,minBound,maxBound]) = [1%1,(-9223372036854775808)%1,9223372036854775807%1]
(map fromEnum [(1::Rational),42,45]) = [1,42,45]
(take 7 [(1::Rational)..]) = [1%1,2%1,3%1,4%1,5%1,6%1,7%1]
(take 7 [(-5::Rational)..]) = [(-5)%1,(-4)%1,(-3)%1,(-2)%1,(-1)%1,0%1,1%1]
(take 7 [(1::Rational),2..]) = [1%1,2%1,3%1,4%1,5%1,6%1,7%1]
(take 7 [(1::Rational),7..]) = [1%1,7%1,13%1,19%1,25%1,31%1,37%1]
(take 7 [(1::Rational),1..]) = [1%1,1%1,1%1,1%1,1%1,1%1,1%1]
(take 7 [(1::Rational),0..]) = [1%1,0%1,(-1)%1,(-2)%1,(-3)%1,(-4)%1,(-5)%1]
(take 7 [(5::Rational),2..]) = [5%1,2%1,(-1)%1,(-4)%1,(-7)%1,(-10)%1,(-13)%1]
(take 7 ([(1::Rational) .. 5])) = [1%1,2%1,3%1,4%1,5%1]
(take 4 ([(1::Rational) .. 1])) = [1%1]
(take 7 ([(1::Rational) .. 0])) = []
(take 7 ([(5::Rational) .. 0])) = []
(take 7 [(5::Rational),4..1]) = [5%1,4%1,3%1,2%1,1%1]
(take 7 [(5::Rational),3..1]) = [5%1,3%1,1%1]
(take 7 [(5::Rational),3..2]) = [5%1,3%1,1%1]
(take 7 [(1::Rational),2..1]) = [1%1]
(take 7 [(2::Rational),1..2]) = [2%1]
(take 7 [(2::Rational),1..1]) = [2%1,1%1]
(take 7 [(2::Rational),3..1]) = []
Testing Enum (Ratio Int):
(succ (0::Ratio Int)) = 1%1
(succ ((-1)::Ratio Int)) = 0%1
pred (1::Ratio Int) = 0%1
pred (0::Ratio Int) = (-1)%1
(map (toEnum::Int->Ratio Int) [1,minBound,maxBound]) = [1%1,(-9223372036854775808)%1,9223372036854775807%1]
(map fromEnum [(1::Ratio Int),42,45]) = [1,42,45]
(take 7 [(1::Ratio Int)..]) = [1%1,2%1,3%1,4%1,5%1,6%1,7%1]
(take 7 [(-5::Ratio Int)..]) = [(-5)%1,(-4)%1,(-3)%1,(-2)%1,(-1)%1,0%1,1%1]
(take 7 [((toEnum ((maxBound::Int)-5))::Ratio Int)..]) = [9223372036854775802%1,9223372036854775803%1,9223372036854775804%1,9223372036854775805%1,9223372036854775806%1,9223372036854775807%1,(-9223372036854775808)%1]
(take 7 [(1::Ratio Int),2..]) = [1%1,2%1,3%1,4%1,5%1,6%1,7%1]
(take 7 [(1::Ratio Int),7..]) = [1%1,7%1,13%1,19%1,25%1,31%1,37%1]
(take 7 [(1::Ratio Int),1..]) = [1%1,1%1,1%1,1%1,1%1,1%1,1%1]
(take 7 [(1::Ratio Int),0..]) = [1%1,0%1,(-1)%1,(-2)%1,(-3)%1,(-4)%1,(-5)%1]
(take 7 [(5::Ratio Int),2..]) = [5%1,2%1,(-1)%1,(-4)%1,(-7)%1,(-10)%1,(-13)%1]
(take 7 [x, x-1 ..]) = [(-9223372036854775807)%1,(-9223372036854775808)%1,9223372036854775807%1,9223372036854775806%1,9223372036854775805%1,9223372036854775804%1,9223372036854775803%1]
(take 7 [x, x-1 ..]) = [(-9223372036854775803)%1,(-9223372036854775804)%1,(-9223372036854775805)%1,(-9223372036854775806)%1,(-9223372036854775807)%1,(-9223372036854775808)%1,9223372036854775807%1]
(take 7 [x, (x+1) ..]) = [9223372036854775802%1,9223372036854775803%1,9223372036854775804%1,9223372036854775805%1,9223372036854775806%1,9223372036854775807%1,(-9223372036854775808)%1]
(take 7 ([(1::Ratio Int) .. 5])) = [1%1,2%1,3%1,4%1,5%1]
(take 4 ([(1::Ratio Int) .. 1])) = [1%1]
(take 7 ([(1::Ratio Int) .. 0])) = []
(take 7 ([(5::Ratio Int) .. 0])) = []
(take 7 ([x..y])) = [9223372036854775802%1,9223372036854775803%1,9223372036854775804%1,9223372036854775805%1,9223372036854775806%1,9223372036854775807%1]
(take 7 ([x..y])) = []
(take 7 [(5::Ratio Int),4..1]) = [5%1,4%1,3%1,2%1,1%1]
(take 7 [(5::Ratio Int),3..1]) = [5%1,3%1,1%1]
(take 7 [(5::Ratio Int),3..2]) = [5%1,3%1,1%1]
(take 7 [(1::Ratio Int),2..1]) = [1%1]
(take 7 [(2::Ratio Int),1..2]) = [2%1]
(take 7 [(2::Ratio Int),1..1]) = [2%1,1%1]
(take 7 [(2::Ratio Int),3..1]) = []
(take 7 [x,(x+1)..y]) = [9223372036854775803%1,9223372036854775804%1,9223372036854775805%1,9223372036854775806%1,9223372036854775807%1]
(take 7 [x,(x-1)..y]) = [(-9223372036854775803)%1,(-9223372036854775804)%1,(-9223372036854775805)%1,(-9223372036854775806)%1,(-9223372036854775807)%1,(-9223372036854775808)%1]
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