tA/Collatz
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cleanup

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This commit is contained in:
Thorn Avery 2019-07-17 14:33:45 +12:00
parent 6a52aa8da8
commit ed469e5c49
1 changed files with 0 additions and 18 deletions
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18
collatz.hs
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@ -15,16 +15,6 @@ data Z
data Nil
data Cons h t
class Not t b | t -> b
instance Not True False
instance Not False True
class And a b r | a b -> r
instance And True True True
instance And True False False
instance And False True False
instance And False False False
class Equal a b t | a b -> t
instance Equal Z Z True
instance Equal (S a) Z False
@ -53,10 +43,6 @@ class ThreeEnPlusOne x v | x -> v
instance (Mul (S (S (S Z))) x Z i)
=> ThreeEnPlusOne x (S i)
class If c t f r | c t f -> r
instance If True t f t
instance If False t f f
class EqOne x r | x -> r
instance (Equal x (S Z) b)
=> EqOne x b
@ -67,10 +53,6 @@ instance IsEven (S Z) False
instance (IsEven n r)
=> IsEven (S (S n)) r
class IsOdd a b | a -> b
instance (IsEven a i, Not i r)
=> IsOdd a r
class Branch b h n | b h -> n
instance (Half h Z r)
=> Branch True h r