@@ -0,0 +1,345 @@
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
47+import Data.Kind (Type)
49+import Data.Profunctor
50+import Data.Generics.Internal.Profunctor.Lens
51+import Data.Generics.Internal.Profunctor.Iso
53+data List (as :: [(m, Type)]) where
55+ (:>) :: a -> List as -> List ('(s, a) ': as)
59+type family ((as :: [k]) ++ (bs :: [k])) :: [k] where
61+ (a ': as) ++ bs = a ': as ++ bs
63+instance Monoid (List '[]) where
67+instance (Monoid a, Monoid (List as)) => Monoid (List ('(k, a) ': as)) where
68+ mempty = mempty :> mempty
69+ mappend (x :> xs) (y :> ys) = mappend x y :> mappend xs ys
71+class Elem (as :: [(k, Type)]) (key :: k) (i :: Nat) a | as key -> i a
72+instance {-# OVERLAPPING #-} pos ~ 0 => Elem ('(key, a) ': xs) key pos a
73+instance (Elem xs key i a, pos ~ (i + 1)) => Elem (x ': xs) key pos a
80+ (bs :: [(m, Type)]) | m f -> as, m g -> bs, bs f -> g, as g -> f where
82+ glist :: Iso (f x) (g x) (List as) (List bs)
84+ glistL :: Lens (f x) (g x) (List as) (List bs)
85+ glistL f = glist @m f
87+ glistR :: Lens (List bs) (List as) (g x) (f x)
88+ glistR f = fromIso (glist @m) f
91+ ( GIsList m l l' as as'
92+ , GIsList m r r' bs bs'
93+ , Appending List as bs cs as' bs' cs'
96+ ) => GIsList m (l :*: r) (l' :*: r') cs cs' where
98+ glist = prodIso . pairing (glist @m) (glist @m) . appending
100+instance GIsList m f g as bs => GIsList m (M1 t meta f) (M1 t meta g) as bs where
101+ glist = mIso . glist @m
103+instance {-# OVERLAPS #-}
105+ (S1 ('MetaSel ('Just field) u s i) (Rec0 a))
106+ (S1 ('MetaSel ('Just field) u s i) (Rec0 b))
107+ '[ '(field, a)] '[ '(field, b)] where
108+ glist = mIso . kIso . singleton
110+instance GIsList Type (Rec0 a) (Rec0 a) '[ '(a, a)] '[ '(a, a)] where
111+ glist = kIso . singleton
113+instance GIsList () (Rec0 a) (Rec0 b) '[ '( '(), a)] '[ '( '(), b)] where
114+ glist = kIso . singleton
116+instance GIsList m U1 U1 '[] '[] where
117+ glist = iso (const Nil) (const U1)
119+--------------------------------------------------------------------------------
122+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
123+ appending :: Iso (f as, f bs) (f as', f bs') (f cs) (f cs')
125+instance Appending List '[] bs bs '[] bs' bs' where
126+ appending = iso snd (Nil,)
128+instance Appending List as bs cs as' bs' cs'
129+ => Appending List ('(f, a) ': as) bs ('(f, a) ': cs) ('(f, a') ': as') bs' ('(f, a') ': cs') where
130+ appending = pairing (fromIso consing) id . assoc3 . pairing id appending . consing
132+singleton :: Iso a b (List '[ '(field, a)]) (List '[ '(field, b)])
133+singleton = iso (:> Nil) (\(x :> _) -> x)
135+consing :: Iso (a, List as) (b, List bs) (List ('(f, a) ': as)) (List ('(f, b) ': bs))
136+consing = iso (\(x, xs) -> x :> xs) (\(x :> xs) -> (x, xs))
138+--------------------------------------------------------------------------------
140+-- This ended up not being used now... still cool to have
141+flipping :: Iso' (List (a1 ': a2 ': as)) (List (a2 ': a1 ': as))
143+ (\(a1 :> a2 :> as) -> a2 :> a1 :> as)
144+ (\(a2 :> a1 :> as) -> a1 :> a2 :> as)
146+class Inserting f a as bs | bs a -> as where
147+ inserting :: Iso' (f (a ': as)) (f bs)
149+instance Inserting f a as (a ': as) where
152+instance Inserting List a as bs => Inserting List a ('(fb, b) ': as) ('(fb, b) ': bs) where
153+ inserting = flipping . fromIso consing . pairing id (inserting @_ @a) . consing
155+class Permuting f as bs where
156+ permuting :: Iso' (f as) (f bs)
158+instance Permuting List '[] '[] where
161+instance (Permuting List as as', Inserting List '(fa, a) as' bs')
162+ => Permuting List ('(fa, a) ': as) bs' where
163+ permuting = fromIso consing . pairing id permuting . consing . (inserting @_ @'(fa, _))
165+--------------------------------------------------------------------------------
166+class IndexList (i :: Nat) as bs a b | i as -> a, i bs -> b, i as b -> bs, i bs a -> as where
167+ point :: Lens (List as) (List bs) a b
169+instance {-# OVERLAPPING #-}
170+ ( as ~ ('(f, a) ': as')
171+ , bs ~ ('(f, b) ': as')
172+ ) => IndexList 0 as bs a b where
173+ point = lens (\(x :> _) -> x) (\((_ :> xs), x') -> x' :> xs)
174+ {-# INLINE point #-}
177+ ( IndexList (n - 1) as' bs' a b
178+ , as ~ ('(f, x) ': as')
179+ , bs ~ ('(f, x) ': bs')
180+ ) => IndexList n as bs a b where
181+ point = fromIso consing . alongside id (point @(n-1)) . second'
182+ {-# INLINE point #-}
184+--------------------------------------------------------------------------------
185+-- * Convert tuples to/from HLists
187+class ListTuple (tuple :: Type) (as :: [(k, Type)]) | as -> tuple where
188+ type ListToTuple as :: Type
189+ tupled :: Iso' (List as) tuple
190+ tupled = iso listToTuple tupleToList
192+ tupleToList :: tuple -> List as
193+ listToTuple :: List as -> tuple
195+instance ListTuple () '[] where
196+ type ListToTuple '[] = ()
200+instance ListTuple a '[ '(fa, a)] where
201+ type ListToTuple '[ '(fa, a)] = a
204+ listToTuple (a :> Nil)
207+instance ListTuple (a, b) '[ '(fa, a), '(fb, b)] where
208+ type ListToTuple '[ '(fa, a), '(fb, b)] = (a, b)
211+ listToTuple (a :> b :> Nil)
214+instance ListTuple (a, b, c) '[ '(fa, a), '(fb, b), '(fc, c)] where
215+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c)] = (a, b, c)
216+ tupleToList (a, b, c)
217+ = a :> b :> c :> Nil
218+ listToTuple (a :> b :> c :> Nil)
221+instance ListTuple (a, b, c, d) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d)] where
222+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d)] = (a, b, c, d)
223+ tupleToList (a, b, c, d)
224+ = a :> b :> c :> d:> Nil
225+ listToTuple (a :> b :> c :> d :> Nil)
228+instance ListTuple (a, b, c, d, e) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e)] where
229+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e)] = (a, b, c, d, e)
230+ tupleToList (a, b, c, d, e)
231+ = a :> b :> c :> d:> e :> Nil
232+ listToTuple (a :> b :> c :> d :> e :> Nil)
235+instance ListTuple (a, b, c, d, e, f) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f)] where
236+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f)] = (a, b, c, d, e, f)
237+ tupleToList (a, b, c, d, e, f)
238+ = a :> b :> c :> d:> e :> f :> Nil
239+ listToTuple (a :> b :> c :> d :> e :> f :> Nil)
240+ = (a, b, c, d, e, f)
242+instance ListTuple (a, b, c, d, e, f, g) '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g)] where
243+ type ListToTuple '[ '(fa, a), '(fb, b), '(fc, c), '(fd, d), '(fe, e), '(ff, f), '(fg, g)] = (a, b, c, d, e, f, g)
244+ tupleToList (a, b, c, d, e, f, g)
245+ = a :> b :> c :> d:> e :> f :> g :> Nil
246+ listToTuple (a :> b :> c :> d :> e :> f :> g :> Nil)
247+ = (a, b, c, d, e, f, g)
249+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
250+ 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)
251+ tupleToList (a, b, c, d, e, f, g, h)
252+ = a :> b :> c :> d:> e :> f :> g :> h :> Nil
253+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> Nil)
254+ = (a, b, c, d, e, f, g, h)
256+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
257+ 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)
258+ tupleToList (a, b, c, d, e, f, g, h, j)
259+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> Nil
260+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> Nil)
261+ = (a, b, c, d, e, f, g, h, j)
263+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
264+ 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)
265+ tupleToList (a, b, c, d, e, f, g, h, j, k)
266+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> Nil
267+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> Nil)
268+ = (a, b, c, d, e, f, g, h, j, k)
270+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
271+ 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)
272+ tupleToList (a, b, c, d, e, f, g, h, j, k, l)
273+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> Nil
274+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> Nil)
275+ = (a, b, c, d, e, f, g, h, j, k, l)
277+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
278+ 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)
279+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m)
280+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> Nil
281+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> Nil)
282+ = (a, b, c, d, e, f, g, h, j, k, l, m)
284+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
285+ 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)
286+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n)
287+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> Nil
288+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> Nil)
289+ = (a, b, c, d, e, f, g, h, j, k, l, m, n)
291+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
292+ 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)
293+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o)
294+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> Nil
295+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> Nil)
296+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o)
298+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
299+ 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)
300+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p)
301+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> Nil
302+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> Nil)
303+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p)
305+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
306+ 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)
307+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q)
308+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> Nil
309+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> Nil)
310+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q)
312+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
313+ 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)
314+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r)
315+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> Nil
316+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> Nil)
317+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r)
319+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
320+ 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)
321+ tupleToList (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s)
322+ = a :> b :> c :> d:> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> s :> Nil
323+ listToTuple (a :> b :> c :> d :> e :> f :> g :> h :> j :> k :> l :> m :> n :> o :> p :> q :> r :> s :> Nil)
324+ = (a, b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s)
326+type family TupleToList a where
327+ TupleToList () = '[]
328+ TupleToList (a, b) = '[ '( '(), a), '( '(), b)]
329+ TupleToList (a, b, c) = '[ '( '(), a), '( '(), b), '( '(), c)]
330+ TupleToList (a, b, c, d) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d)]
331+ TupleToList (a, b, c, d, e) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e)]
332+ TupleToList (a, b, c, d, e, f) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f)]
333+ TupleToList (a, b, c, d, e, f, g) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g)]
334+ TupleToList (a, b, c, d, e, f, g, h) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h)]
335+ TupleToList (a, b, c, d, e, f, g, h, j) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j)]
336+ TupleToList (a, b, c, d, e, f, g, h, j, k) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k)]
337+ TupleToList (a, b, c, d, e, f, g, h, j, k, l) = '[ '( '(), a), '( '(), b), '( '(), c), '( '(), d), '( '(), e), '( '(), f), '( '(), g), '( '(), h), '( '(), j), '( '(), k), '( '(), l)]
338+ 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)]
339+ 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)]
340+ 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)]
341+ 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)]
342+ 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)]
343+ 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)]
344+ 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)]
345+ TupleToList a = '[ '( '(), a)]