@@ -1,344 +0,0 @@
1−{-# LANGUAGE AllowAmbiguousTypes #-}
3−{-# LANGUAGE ConstraintKinds #-}
4−{-# LANGUAGE FlexibleInstances #-}
5−{-# LANGUAGE FunctionalDependencies #-}
7−{-# LANGUAGE ScopedTypeVariables #-}
8−{-# LANGUAGE TupleSections #-}
9−{-# LANGUAGE TypeApplications #-}
10−{-# LANGUAGE TypeFamilies #-}
11−{-# LANGUAGE TypeInType #-}
12−{-# LANGUAGE TypeOperators #-}
13−{-# LANGUAGE UndecidableInstances #-}
15−#if __GLASGOW_HASKELL__ == 802
16−{-# OPTIONS_GHC -fno-solve-constant-dicts #-}
20−-----------------------------------------------------------------------------
22−-- Module : Data.Generics.Product.Internal.List
23−-- Copyright : (C) 2017 Csongor Kiss
25−-- Maintainer : Csongor Kiss <kiss.csongor.kiss@gmail.com>
26−-- Stability : experimental
27−-- Portability : non-portable
29−-- Derive an isomorphism between a product type and a flat HList.
31−-----------------------------------------------------------------------------
33−module Data.Generics.Product.Internal.List
46−import Data.Generics.Internal.Lens
48−import Data.Kind (Type)
50−import Data.Profunctor
52−data List (as :: [(m, Type)]) where
54− (:>) :: a -> List as -> List ('(s, a) ': as)
58−type family ((as :: [k]) ++ (bs :: [k])) :: [k] where
60− (a ': as) ++ bs = a ': as ++ bs
62−instance Monoid (List '[]) where
66−instance (Monoid a, Monoid (List as)) => Monoid (List ('(k, a) ': as)) where
67− mempty = mempty :> mempty
68− mappend (x :> xs) (y :> ys) = mappend x y :> mappend xs ys
70−class Elem (as :: [(k, Type)]) (key :: k) (i :: Nat) a | as key -> i a
71−instance {-# OVERLAPPING #-} pos ~ 0 => Elem ('(key, a) ': xs) key pos a
72−instance (Elem xs key i a, pos ~ (i + 1)) => Elem (x ': xs) key pos a
79− (bs :: [(m, Type)]) | m f -> as, m g -> bs, bs f -> g, as g -> f where
81− glist :: Iso (f x) (g x) (List as) (List bs)
83− glistL :: Lens (f x) (g x) (List as) (List bs)
84− glistL f = glist @m f
86− glistR :: Lens (List bs) (List as) (g x) (f x)
87− glistR f = fromIso (glist @m) f
90− ( GIsList m l l' as as'
91− , GIsList m r r' bs bs'
92− , Appending List as bs cs as' bs' cs'
95− ) => GIsList m (l :*: r) (l' :*: r') cs cs' where
97− glist = prodIso . pairing (glist @m) (glist @m) . appending
99−instance GIsList m f g as bs => GIsList m (M1 t meta f) (M1 t meta g) as bs where
100− glist = mIso . glist @m
102−instance {-# OVERLAPS #-}
104− (S1 ('MetaSel ('Just field) u s i) (Rec0 a))
105− (S1 ('MetaSel ('Just field) u s i) (Rec0 b))
106− '[ '(field, a)] '[ '(field, b)] where
107− glist = mIso . kIso . singleton
109−instance GIsList Type (Rec0 a) (Rec0 a) '[ '(a, a)] '[ '(a, a)] where
110− glist = kIso . singleton
112−instance GIsList () (Rec0 a) (Rec0 b) '[ '( '(), a)] '[ '( '(), b)] where
113− glist = kIso . singleton
115−instance GIsList m U1 U1 '[] '[] where
116− glist = iso (const Nil) (const U1)
118−--------------------------------------------------------------------------------
121−class Appending f (as :: [k]) bs cs (as' :: [k]) bs' cs' | as bs cs cs' -> as' bs', as' bs' cs cs' -> as bs, as bs -> cs, as' bs' -> cs' where
122− appending :: Iso (f as, f bs) (f as', f bs') (f cs) (f cs')
124−instance Appending List '[] bs bs '[] bs' bs' where
125− appending = iso snd (Nil,)
127−instance Appending List as bs cs as' bs' cs'
128− => Appending List ('(f, a) ': as) bs ('(f, a) ': cs) ('(f, a') ': as') bs' ('(f, a') ': cs') where
129− appending = pairing (fromIso consing) id . assoc3 . pairing id appending . consing
131−singleton :: Iso a b (List '[ '(field, a)]) (List '[ '(field, b)])
132−singleton = iso (:> Nil) (\(x :> _) -> x)
134−consing :: Iso (a, List as) (b, List bs) (List ('(f, a) ': as)) (List ('(f, b) ': bs))
135−consing = iso (\(x, xs) -> x :> xs) (\(x :> xs) -> (x, xs))
137−--------------------------------------------------------------------------------
139−-- This ended up not being used now... still cool to have
140−flipping :: Iso' (List (a1 ': a2 ': as)) (List (a2 ': a1 ': as))
142− (\(a1 :> a2 :> as) -> a2 :> a1 :> as)
143− (\(a2 :> a1 :> as) -> a1 :> a2 :> as)
145−class Inserting f a as bs | bs a -> as where
146− inserting :: Iso' (f (a ': as)) (f bs)
148−instance Inserting f a as (a ': as) where
151−instance Inserting List a as bs => Inserting List a ('(fb, b) ': as) ('(fb, b) ': bs) where
152− inserting = flipping . fromIso consing . pairing id (inserting @_ @a) . consing
154−class Permuting f as bs where
155− permuting :: Iso' (f as) (f bs)
157−instance Permuting List '[] '[] where
160−instance (Permuting List as as', Inserting List '(fa, a) as' bs')
161− => Permuting List ('(fa, a) ': as) bs' where
162− permuting = fromIso consing . pairing id permuting . consing . (inserting @_ @'(fa, _))
164−--------------------------------------------------------------------------------
165−class IndexList (i :: Nat) as bs a b | i as -> a, i bs -> b, i as b -> bs, i bs a -> as where
166− point :: Lens (List as) (List bs) a b
168−instance {-# OVERLAPPING #-}
169− ( as ~ ('(f, a) ': as')
170− , bs ~ ('(f, b) ': as')
171− ) => IndexList 0 as bs a b where
172− point = lens (\(x :> xs) -> x) (\((x :> xs), x') -> x' :> xs)
173− {-# INLINE point #-}
176− ( IndexList (n - 1) as' bs' a b
177− , as ~ ('(f, x) ': as')
178− , bs ~ ('(f, x) ': bs')
179− ) => IndexList n as bs a b where
180− point = fromIso consing . alongside id (point @(n-1)) . second'
181− {-# INLINE point #-}
183−--------------------------------------------------------------------------------
184−-- * Convert tuples to/from HLists
186−class ListTuple (tuple :: Type) (as :: [(k, Type)]) | as -> tuple where
187− type ListToTuple as :: Type
188− tupled :: Iso' (List as) tuple
189− tupled = iso listToTuple tupleToList
191− tupleToList :: tuple -> List as
192− listToTuple :: List as -> tuple
194−instance ListTuple () '[] where
195− type ListToTuple '[] = ()
199−instance ListTuple a '[ '(fa, a)] where
200− type ListToTuple '[ '(fa, a)] = a
203− listToTuple (a :> Nil)
206−instance ListTuple (a, b) '[ '(fa, a), '(fb, b)] where
207− type ListToTuple '[ '(fa, a), '(fb, b)] = (a, b)
210− listToTuple (a :> b :> Nil)
213−instance ListTuple (a, b, c) '[ '(fa, a), '(fb, b), '(fc, c)] where
214− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c)] = (a, b, c)
215− tupleToList (a, b, c)
216− = a :> b :> c :> Nil
217− listToTuple (a :> b :> c :> Nil)
220−instance ListTuple (a, b, c, d) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d)] where
221− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d)] = (a, b, c, d)
222− tupleToList (a, b, c, d)
223− = a :> b :> c :> d:> Nil
224− listToTuple (a :> b :> c :> d :> Nil)
227−instance ListTuple (a, b, c, d, e) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e)] where
228− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e)] = (a, b, c, d, e)
229− tupleToList (a, b, c, d, e)
230− = a :> b :> c :> d:> e :> Nil
231− listToTuple (a :> b :> c :> d :> e :> Nil)
234−instance ListTuple (a, b, c, d, e, f) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f)] where
235− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f)] = (a, b, c, d, e, f)
236− tupleToList (a, b, c, d, e, f)
237− = a :> b :> c :> d:> e :> f :> Nil
238− listToTuple (a :> b :> c :> d :> e :> f :> Nil)
239− = (a, b, c, d, e, f)
241−instance ListTuple (a, b, c, d, e, f, g) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g)] where
242− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g)] = (a, b, c, d, e, f, g)
243− tupleToList (a, b, c, d, e, f, g)
244− = a :> b :> c :> d:> e :> f :> g :> Nil
245− listToTuple (a :> b :> c :> d :> e :> f :> g :> Nil)
246− = (a, b, c, d, e, f, g)
248−instance ListTuple (a, b, c, d, e, f, g, h) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h)] where
249− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h)] = (a, b, c, d, e, f, g, h)
250− tupleToList (a, b, c, d, e, f, g, h)
251− = a :> b :> c :> d:> e :> f :> g :> h :> Nil
252− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> Nil)
253− = (a, b, c, d, e, f, g, h)
255−instance ListTuple (a, b, c, d, e, f, g, h, j) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j)] where
256− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j)] = (a, b, c, d, e, f, g, h, j)
257− tupleToList (a, b, c, d, e, f, g, h, j)
258− = a :> b :> c :> d:> e :> f :> g :> h :> j :> Nil
259− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> Nil)
260− = (a, b, c, d, e, f, g, h, j)
262−instance ListTuple (a, b, c, d, e, f, g, h, j, k) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k)] where
263− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k)] = (a, b, c, d, e, f, g, h, j, k)
264− tupleToList (a, b, c, d, e, f, g, h, j, k)
265− = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> Nil
266− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> Nil)
267− = (a, b, c, d, e, f, g, h, j, k)
269−instance ListTuple (a, b, c, d, e, f, g, h, j, k, l) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l)] where
270− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l)] = (a, b, c, d, e, f, g, h, j, k, l)
271− tupleToList (a, b, c, d, e, f, g, h, j, k, l)
272− = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> Nil
273− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> Nil)
274− = (a, b, c, d, e, f, g, h, j, k, l)
276−instance ListTuple (a, b, c, d, e, f, g, h, j, k, l, m) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m)] where
277− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m)] = (a, b, c, d, e, f, g, h, j, k, l, m)
278− tupleToList (a, b, c, d, e, f, g, h, j, k, l, m)
279− = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> Nil
280− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> Nil)
281− = (a, b, c, d, e, f, g, h, j, k, l, m)
283−instance ListTuple (a, b, c, d, e, f, g, h, j, k, l, m, n) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n)] where
284− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n)] = (a, b, c, d, e, f, g, h, j, k, l, m, n)
285− tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n)
286− = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> Nil
287− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> Nil)
288− = (a, b, c, d, e, f, g, h, j, k, l, m, n)
290−instance ListTuple (a, b, c, d, e, f, g, h, j, k, l, m, n, o) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o)] where
291− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o)] = (a, b, c, d, e, f, g, h, j, k, l, m, n, o)
292− tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o)
293− = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> Nil
294− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> Nil)
295− = (a, b, c, d, e, f, g, h, j, k, l, m, n, o)
297−instance ListTuple (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o), '(fp, p)] where
298− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o), '(fp, p)] = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p)
299− tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p)
300− = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> Nil
301− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> Nil)
302− = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p)
304−instance ListTuple (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o), '(fp, p), '(fq, q)] where
305− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o), '(fp, p), '(fq, q)] = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q)
306− tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q)
307− = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> Nil
308− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> Nil)
309− = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q)
311−instance ListTuple (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o), '(fp, p), '(fq, q), '(fr, r)] where
312− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o), '(fp, p), '(fq, q), '(fr, r)] = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r)
313− tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r)
314− = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> Nil
315− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> Nil)
316− = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r)
318−instance ListTuple (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o), '(fp, p), '(fq, q), '(fr, r), '(fs, s)] where
319− type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g), '(fh, h), '(fj, j), '(fk, k), '(fl, l), '(fm, m), '(fn, n), '(fo, o), '(fp, p), '(fq, q), '(fr, r), '(fs, s)] = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s)
320− tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s)
321− = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> s :> Nil
322− listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> s :> Nil)
323− = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s)
325−type family TupleToList a where
326− TupleToList () = '[]
327− TupleToList (a, b) = '[ '( '(), a), '( '(), b)]
328− TupleToList (a, b, c) = '[ '( '(), a), '( '(), b), '( '(), c)]
329− TupleToList (a, b, c, d) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d)]
330− TupleToList (a, b, c, d, e) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e)]
331− TupleToList (a, b, c, d, e, f) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f)]
332− TupleToList (a, b, c, d, e, f, g) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g)]
333− TupleToList (a, b, c, d, e, f, g, h) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h)]
334− TupleToList (a, b, c, d, e, f, g, h, j) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j)]
335− TupleToList (a, b, c, d, e, f, g, h, j, k) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k)]
336− TupleToList (a, b, c, d, e, f, g, h, j, k, l) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l)]
337− TupleToList (a, b, c, d, e, f, g, h, j, k, l, m) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l), '( '(), m)]
338− TupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l), '( '(), m), '( '(), n)]
339− TupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l), '( '(), m), '( '(), n), '( '(), o)]
340− TupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l), '( '(), m), '( '(), n), '( '(), o), '( '(), p)]
341− TupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l), '( '(), m), '( '(), n), '( '(), o), '( '(), p), '( '(), q)]
342− TupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l), '( '(), m), '( '(), n), '( '(), o), '( '(), p), '( '(), q), '( '(), r)]
343− TupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l), '( '(), m), '( '(), n), '( '(), o), '( '(), p), '( '(), q), '( '(), r), '( '(), s)]
344− TupleToList a = '[ '( '(), a)]