2024/12/23

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2024-12-23 23:59:50 +0100Sgeo(~Sgeo@user/sgeo) Sgeo
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2024-12-23 23:49:08 +0100Sgeo(~Sgeo@user/sgeo) Sgeo
2024-12-23 23:48:49 +0100 <hellwolf> (or easier to think about, code wise is probably similar)
2024-12-23 23:48:26 +0100 <hellwolf> An array of TH.match is definite easier to write :p
2024-12-23 23:47:44 +0100 <hellwolf> LamE [VarP n_0] (CaseE (VarE n_0) [Match (LitP (IntegerL 1)) (NormalB (AppE (ConE GHC.Internal.Maybe.Just) (AppTypeE (VarE Ghci4.f) (LitT (NumTyLit 1))))) [],Match (LitP (IntegerL 2)) (NormalB (AppE (ConE GHC.Internal.Maybe.Just) (AppTypeE (VarE Ghci4.f) (LitT (NumTyLit 2))))) [],Match WildP (NormalB (ConE GHC.Internal.Maybe.Nothing)) []])
2024-12-23 23:47:44 +0100 <hellwolf> λ [e| \n -> case n of 1 -> Just (f @1); 2 -> Just (f @2); _ -> Nothing; |]
2024-12-23 23:46:36 +0100 <hellwolf> at this point, I am just practicing TH.
2024-12-23 23:46:19 +0100 <hellwolf> right, I could use case, write 32 of them... I was looking into how to write if else chain in TH, but probably the cases are easier to write
2024-12-23 23:45:28 +0100xff0x(~xff0x@p3704193-ipxg12201sapodori.hokkaido.ocn.ne.jp)
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2024-12-23 23:35:52 +0100merijn(~merijn@128-137-045-062.dynamic.caiway.nl) merijn
2024-12-23 23:35:07 +0100 <ski> hellwolf : also, `Show' instance looks incorrect (at least unless you make pattern synonyms for `UINT8',`UINT16',`UINT24',`UINT32')
2024-12-23 23:33:39 +0100 <ski> hellwolf : you could `case' on `n', rather than doing an `if' chain with `=='s
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2024-12-23 23:30:06 +0100ft(~ft@i59F4F0F5.versanet.de) ft
2024-12-23 23:24:50 +0100merijn(~merijn@128-137-045-062.dynamic.caiway.nl) (Ping timeout: 244 seconds)
2024-12-23 23:24:11 +0100 <hellwolf> those are good for type level stuff, but not when you need to deal with term level stuff.
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2024-12-23 23:23:52 +0100 <hellwolf> no "smarter" way using constraints and unsafe coerce Dict, etc.
2024-12-23 23:23:03 +0100 <hellwolf> okay, this works https://play.haskell.org/saved/leUbXR0P but it looks like I really just need to enumerate all 32 cases, could be with TH, to bind the correct typeclass instance.
2024-12-23 23:20:18 +0100merijn(~merijn@128-137-045-062.dynamic.caiway.nl) merijn
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2024-12-23 23:14:40 +0100zmt00(~zmt00@user/zmt00) zmt00
2024-12-23 23:14:24 +0100 <hellwolf> :D
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2024-12-23 23:11:13 +0100 <hellwolf> okay, I guess I am over stepping into what I can do with unsafeAxiom. Without knowing how GHC internally works exactly, I can take a wild guess why I shouldn't code like this.
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