#4385: Type-level natural numbers
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Reporter: diatchki | Owner: diatchki
Type: feature request | Status: new
Priority: normal | Milestone: 7.4.1
Component: Compiler (Type checker) | Version:
Keywords: | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: None/Unknown
Difficulty: | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by diatchki):
Hello,
work on the type nats is still in progress, support for type nat literlas,
generalized type type-level operators, and type-level string literals is
available in the type-nats branch of GHC.
There used to be a solver for type-level functions on nats as well, but it
is dibaled for the moment. The current task is to decide how to
integrate the evidence generated by the solver with the evidence that GHC
uses. I've been a bit busy with work lately, but I am hoping to restart
hacking on the solver integration in the next few weeks.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4385#comment:49>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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