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# A fully reproducible rust build environment via nix
# run `nix-shell` to enter the build enviroment
# run `nix-shell --argstr backtrace true` to enable backtracing
with rec {
  fetch-github =
    { owner  # The owner of the repo
    , repo   # The repo to fetch
    , rev    # The git commit hash you want
    , sha256 # The SHA256 hash of the unpacked archive (for reproducibility)
    }: builtins.fetchTarball {

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Keybase proof

I hereby claim:

• I am mckeankylej on github.
• I am mckeankylej (https://keybase.io/mckeankylej) on keybase.
• I have a public key ASBU2f_UjGI8XMEQtK4hxpbLtTLJSt2bcWL0pfUYB2inVgo

To claim this, I am signing this object:

aljce

{-# LANGUAGE EmptyCase #-}
{-# LANGUAGE DeriveTraversable #-}
{-# LANGUAGE ConstraintKinds #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE TypeInType #-}
{-# LANGUAGE UndecidableInstances #-}
{-# LANGUAGE UndecidableSuperClasses #-}
{-# LANGUAGE AllowAmbiguousTypes #-}
{-# OPTIONS_GHC -Wno-unticked-promoted-constructors #-}
module TypedClient

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# Using a specific checkout of nixpkgs makes it easy to debug as you know exactly what the deps are.
# This being said in production you should pass the global nixpkgs to this file.
let nixpkgs-src = builtins.fetchTarball {
      url = "https://github.com/NixOS/nixpkgs/archive/56d94c8c69f8cac518027d191e2f8de678b56088.tar.gz";
      sha256 = "1c812ssgmnmh97sarmp8jcykk0g57m8rsbfjg9ql9996ig6crsmi";
    };
in
{ pkgs ? (import nixpkgs-src {}) }:
with pkgs;
with stdenv.lib;

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newtype Region s a = Region (IO a) deriving (Functor, Applicative, Monad)

liftIO :: IO a -> Region s a
liftIO = Region

runRegion :: (forall s. Region s a) -> IO a
runRegion (Region x) = x

newtype Ref s a = Ref (IORef a)

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{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE DeriveTraversable #-}
{-# OPTIONS_GHC -Wall -Werror #-}
module Data.Graph
  ( Graph
  , empty
  , insert
  , edge
  , neighbors
  , vertices

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{-# LANGUAGE MagicHash #-}
{-# LANGUAGE UnboxedTuples #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeInType #-}
{-# OPTIONS_GHC -Wall -Werror -Wno-unticked-promoted-constructors #-}
-- | Conversion between unlifted and lifted datatypes
module Packed.Levity
  ( -- * Types
    Rep
  , Levity(..)

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{ url                             # The Git revision of nixpkgs to fetch
, sha256                          # The SHA256 of the downloaded .tar
, sha256unpacked                  # The SHA256 of the downloaded .nar
, system ? builtins.currentSystem # This is overridable if necessary
}:

with {
  ifThenElse = { bool, thenValue, elseValue }: (
    if bool then thenValue else elseValue);
};

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Preprocessing library for kpf-0.1.0..
Building library for kpf-0.1.0..
[6 of 6] Compiling Hask.Functor.Compose ( Hask/Functor/Compose.hs, dist/build/Hask/Functor/Compose.o )

Hask/Functor/Compose.hs:21:10: error:
    • solveWanteds: too many iterations (limit = 4)
        Unsolved: WC {wc_simple =
                        [D] _ {0}:: Category s0 (CDictCan)
                        [D] _ {0}:: Category s0 (CDictCan)
                        [D] _ {0}:: Category s0 (CDictCan)

aljce

{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE EmptyCase #-}
{-# LANGUAGE GADTs #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE TypeInType #-}
module Pokemon where

import Data.Kind (Type)
import Data.Void (Void)
import Type.Reflection ((:~:)(..))