@@ -0,0 +1,335 @@
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.Kind (Type)
48+import Data.Profunctor
49+import Data.Generics.Internal.Profunctor.Lens
50+import Data.Generics.Internal.Profunctor.Iso
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 Semigroup (List '[]) where
65+instance Monoid (List '[]) where
69+instance (Semigroup a, Semigroup (List as)) => Semigroup (List ('(k, a) ': as)) where
70+ (x :> xs) <> (y :> ys) = (x <> y) :> (xs <> ys)
72+instance (Monoid a, Monoid (List as)) => Monoid (List ('(k, a) ': as)) where
73+ mempty = mempty :> mempty
74+ mappend (x :> xs) (y :> ys) = mappend x y :> mappend xs ys
76+class Elem (as :: [(k, Type)]) (key :: k) (i :: Nat) a | as key -> i a
77+instance {-# OVERLAPPING #-} pos ~ 0 => Elem ('(key, a) ': xs) key pos a
78+instance (Elem xs key i a, pos ~ (i + 1)) => Elem (x ': xs) key pos a
85+ (bs :: [(m, Type)]) | m f -> as, m g -> bs, bs f -> g, as g -> f where
87+ glist :: Iso (f x) (g x) (List as) (List bs)
89+ -- We define this reversed version, otherwise uses of `fromIso glist` are not
90+ -- properly inlined by GHC 8.0.2.
91+ -- This is not actually used.
92+ glistR :: Iso (List bs) (List as) (g x) (f x)
93+ glistR = fromIso (glist @m)
96+ ( GIsList m l l' as as'
97+ , GIsList m r r' bs bs'
98+ , Appending List as bs cs as' bs' cs'
100+ , cs' ~ (as' ++ bs')
101+ ) => GIsList m (l :*: r) (l' :*: r') cs cs' where
103+ glist = prodIso . pairing (glist @m) (glist @m) . appending
104+ {-# INLINE glist #-}
106+instance GIsList m f g as bs => GIsList m (M1 t meta f) (M1 t meta g) as bs where
107+ glist = mIso . glist @m
108+ {-# INLINE glist #-}
110+instance {-# OVERLAPS #-}
112+ (S1 ('MetaSel ('Just field) u s i) (Rec0 a))
113+ (S1 ('MetaSel ('Just field) u s i) (Rec0 b))
114+ '[ '(field, a)] '[ '(field, b)] where
115+ glist = mIso . kIso . singleton
116+ {-# INLINE glist #-}
118+instance GIsList Type (Rec0 a) (Rec0 a) '[ '(a, a)] '[ '(a, a)] where
119+ glist = kIso . singleton
120+ {-# INLINE glist #-}
122+instance GIsList () (Rec0 a) (Rec0 b) '[ '( '(), a)] '[ '( '(), b)] where
123+ glist = kIso . singleton
124+ {-# INLINE glist #-}
126+instance GIsList m U1 U1 '[] '[] where
127+ glist = iso (const Nil) (const U1)
128+ {-# INLINE glist #-}
130+--------------------------------------------------------------------------------
132+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
133+ appending :: Iso (f as, f bs) (f as', f bs') (f cs) (f cs')
136+instance Appending List '[] bs bs '[] bs' bs' where
137+ appending = iso (\(_, b) -> b) (Nil,)
139+-- | (a : as) ++ bs === (a : cs)
141+ Appending List as bs cs as' bs' cs' -- as ++ bs == cs
142+ => Appending List ('(f, a) ': as) bs ('(f, a) ': cs) ('(f, a') ': as') bs' ('(f, a') ': cs') where
144+ = pairing (fromIso consing) id -- ((a, as), bs)
145+ . assoc3 -- (a, (as, bs))
146+ . pairing id appending -- (a, cs)
147+ . consing -- (a : cs)
149+singleton :: Iso a b (List '[ '(field, a)]) (List '[ '(field, b)])
150+singleton = iso (:> Nil) (\(x :> _) -> x)
152+consing :: Iso (a, List as) (b, List bs) (List ('(f, a) ': as)) (List ('(f, b) ': bs))
153+consing = iso (\(x, xs) -> x :> xs) (\(x :> xs) -> (x, xs))
155+--------------------------------------------------------------------------------
156+class IndexList (i :: Nat) as bs a b | i as -> a, i bs -> b, i as b -> bs, i bs a -> as where
157+ point :: Lens (List as) (List bs) a b
159+instance {-# OVERLAPPING #-}
160+ ( as ~ ('(f, a) ': as')
161+ , bs ~ ('(f, b) ': as')
162+ ) => IndexList 0 as bs a b where
163+ point = lens (\(x :> xs) -> (xs, x)) (\(xs, x') -> x' :> xs)
164+ {-# INLINE point #-}
167+ ( IndexList (n - 1) as' bs' a b
168+ , as ~ ('(f, x) ': as')
169+ , bs ~ ('(f, x) ': bs')
170+ ) => IndexList n as bs a b where
171+ point = fromIso consing . alongside id (point @(n-1)) . second'
172+ {-# INLINE point #-}
174+--------------------------------------------------------------------------------
175+-- * Convert tuples to/from HLists
177+class ListTuple (tuple :: Type) (as :: [(k, Type)]) | as -> tuple where
178+ type ListToTuple as :: Type
179+ tupled :: Iso' (List as) tuple
180+ tupled = iso listToTuple tupleToList
182+ tupleToList :: tuple -> List as
183+ listToTuple :: List as -> tuple
185+instance ListTuple () '[] where
186+ type ListToTuple '[] = ()
190+instance ListTuple a '[ '(fa, a)] where
191+ type ListToTuple '[ '(fa, a)] = a
194+ listToTuple (a :> Nil)
197+instance ListTuple (a, b) '[ '(fa, a), '(fb, b)] where
198+ type ListToTuple '[ '(fa, a), '(fb, b)] = (a, b)
201+ listToTuple (a :> b :> Nil)
204+instance ListTuple (a, b, c) '[ '(fa, a), '(fb, b), '(fc, c)] where
205+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c)] = (a, b, c)
206+ tupleToList (a, b, c)
207+ = a :> b :> c :> Nil
208+ listToTuple (a :> b :> c :> Nil)
211+instance ListTuple (a, b, c, d) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d)] where
212+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d)] = (a, b, c, d)
213+ tupleToList (a, b, c, d)
214+ = a :> b :> c :> d:> Nil
215+ listToTuple (a :> b :> c :> d :> Nil)
218+instance ListTuple (a, b, c, d, e) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e)] where
219+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e)] = (a, b, c, d, e)
220+ tupleToList (a, b, c, d, e)
221+ = a :> b :> c :> d:> e :> Nil
222+ listToTuple (a :> b :> c :> d :> e :> Nil)
225+instance ListTuple (a, b, c, d, e, f) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f)] where
226+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f)] = (a, b, c, d, e, f)
227+ tupleToList (a, b, c, d, e, f)
228+ = a :> b :> c :> d:> e :> f :> Nil
229+ listToTuple (a :> b :> c :> d :> e :> f :> Nil)
230+ = (a, b, c, d, e, f)
232+instance ListTuple (a, b, c, d, e, f, g) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g)] where
233+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g)] = (a, b, c, d, e, f, g)
234+ tupleToList (a, b, c, d, e, f, g)
235+ = a :> b :> c :> d:> e :> f :> g :> Nil
236+ listToTuple (a :> b :> c :> d :> e :> f :> g :> Nil)
237+ = (a, b, c, d, e, f, g)
239+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
240+ 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)
241+ tupleToList (a, b, c, d, e, f, g, h)
242+ = a :> b :> c :> d:> e :> f :> g :> h :> Nil
243+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> Nil)
244+ = (a, b, c, d, e, f, g, h)
246+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
247+ 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)
248+ tupleToList (a, b, c, d, e, f, g, h, j)
249+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> Nil
250+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> Nil)
251+ = (a, b, c, d, e, f, g, h, j)
253+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
254+ 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)
255+ tupleToList (a, b, c, d, e, f, g, h, j, k)
256+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> Nil
257+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> Nil)
258+ = (a, b, c, d, e, f, g, h, j, k)
260+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
261+ 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)
262+ tupleToList (a, b, c, d, e, f, g, h, j, k, l)
263+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> Nil
264+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> Nil)
265+ = (a, b, c, d, e, f, g, h, j, k, l)
267+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
268+ 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)
269+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m)
270+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> Nil
271+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> Nil)
272+ = (a, b, c, d, e, f, g, h, j, k, l, m)
274+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
275+ 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)
276+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n)
277+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> Nil
278+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> Nil)
279+ = (a, b, c, d, e, f, g, h, j, k, l, m, n)
281+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
282+ 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)
283+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o)
284+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> Nil
285+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> Nil)
286+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o)
288+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
289+ 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)
290+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p)
291+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> Nil
292+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> Nil)
293+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p)
295+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
296+ 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)
297+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q)
298+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> Nil
299+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> Nil)
300+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q)
302+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
303+ 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)
304+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r)
305+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> Nil
306+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> Nil)
307+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r)
309+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
310+ 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)
311+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s)
312+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> s :> Nil
313+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> s :> Nil)
314+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s)
316+type family TupleToList a where
317+ TupleToList () = '[]
318+ TupleToList (a, b) = '[ '( '(), a), '( '(), b)]
319+ TupleToList (a, b, c) = '[ '( '(), a), '( '(), b), '( '(), c)]
320+ TupleToList (a, b, c, d) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d)]
321+ TupleToList (a, b, c, d, e) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e)]
322+ TupleToList (a, b, c, d, e, f) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f)]
323+ TupleToList (a, b, c, d, e, f, g) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g)]
324+ TupleToList (a, b, c, d, e, f, g, h) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h)]
325+ TupleToList (a, b, c, d, e, f, g, h, j) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j)]
326+ TupleToList (a, b, c, d, e, f, g, h, j, k) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k)]
327+ TupleToList (a, b, c, d, e, f, g, h, j, k, l) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l)]
328+ 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)]
329+ 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)]
330+ 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)]
331+ 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)]
332+ 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)]
333+ 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)]
334+ 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)]
335+ TupleToList a = '[ '( '(), a)]