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Simplify UE4 A4

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This commit is contained in:
Ivaylo Ivanov 2021-11-11 17:14:56 +01:00
parent 4fa07bb34e
commit 0a6be116ac
1 changed files with 4 additions and 12 deletions
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16
code/Angabe4.lhs
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@ -191,6 +191,9 @@ Helper functions:
> ppartner_to_partner :: P_Geschaeftspartner -> Geschaeftspartner
> ppartner_to_partner p = p
> kkb_to_tuples :: KonsolidiertesKassabuch -> [(P_Geschaeftspartner, K_Geschaeftsvorfall)]
> kkb_to_tuples (KKB x) = x
===================================================================================
Aufgabe A.1
@ -391,15 +394,4 @@ Aufgabe A.4
> newtype SaldiertesKassabuch = SKB [(Geschaeftspartner,Saldo)] deriving (Eq,Show)
> saldiere :: Kassabuch -> SaldiertesKassabuch
> saldiere k = create_saldo_cash_book $ konsolidiere k
> create_saldo_cash_book :: KonsolidiertesKassabuch -> SaldiertesKassabuch
> create_saldo_cash_book k = SKB (sortOn fst (get_saldo_per_partner k []))
> get_saldo_per_partner :: KonsolidiertesKassabuch -> [(Geschaeftspartner,Saldo)] -> [(Geschaeftspartner,Saldo)]
> get_saldo_per_partner (KKB(x:xs)) res
> | length x /= 0 && null xs = res ++ [(p, (saldo g (KKB([x]))))]
> | otherwise = get_saldo_per_partner (KKB(xs)) (res ++ [(p, (saldo g (KKB(x:xs))))])
> where
> (g,v) = x
> p = ppartner_to_partner g
> saldiere k = SKB(sortOn fst [(g, saldo g (konsolidiere k)) | (g,v) <- kkb_to_tuples (konsolidiere k)])