@@ -1,335 +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.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)]