@@ -0,0 +1,344 @@
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)]