[GHC] #13652: Add integer division to GHC.TypeLits
GHC
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Wed Oct 4 14:46:13 UTC 2017
#13652: Add integer division to GHC.TypeLits
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Reporter: vagarenko | Owner: (none)
Type: feature request | Status: new
Priority: normal | Milestone:
Component: Core Libraries | Version: 8.0.1
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s):
Wiki Page: |
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Comment (by vagarenko):
Replying to [comment:2 RyanGlScott]:
> one could define DivMod in terms of Div and Mod
like this:
{{{#!hs
type DivMod a b = (Div a b, Mod a b)
}}}
?
Why would it be less performant than baked in `DivMod`? Because `a` and
`b` would be reduced twice?
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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13652#comment:3>
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