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@chrisdone
Created September 13, 2019 12:47
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foldlS _f _nil list
(\f z l ->
case l of
Nil -> z
Cons x xs ->
case f z x of
0 -> foldlS f 0 xs
r -> foldlS f r xs)
_f
_nil
list
(\z l ->
case l of
Nil -> z
Cons x xs ->
case _f z x of
0 -> foldlS _f 0 xs
r -> foldlS _f r xs)
_nil
list
(\l ->
case l of
Nil -> _nil
Cons x xs ->
case _f _nil x of
0 -> foldlS _f 0 xs
r -> foldlS _f r xs)
list
case list of
Nil -> _nil
Cons x xs ->
case _f _nil x of
0 -> foldlS _f 0 xs
r -> foldlS _f r xs
case Cons True (Cons False Nil) of
Nil -> _nil
Cons x xs ->
case _f _nil x of
0 -> foldlS _f 0 xs
r -> foldlS _f r xs
case _f _nil True of
0 -> foldlS _f 0 (Cons False Nil)
r -> foldlS _f r (Cons False Nil)
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