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kosmikus / TinyServant.hs
Created Nov 1, 2015
Implementation of a small Servant-like DSL
View TinyServant.hs
{-# LANGUAGE DataKinds, PolyKinds, TypeOperators #-}
{-# LANGUAGE TypeFamilies, FlexibleInstances, ScopedTypeVariables #-}
{-# LANGUAGE InstanceSigs #-}
module TinyServant where
import Control.Applicative
import GHC.TypeLits
import Text.Read
import Data.Time
alexanderkjeldaas /
Last active Dec 19, 2015
Safer cabal --upgrade-dependencies. Easy detection of non-optimal upper bounds. Unregister broken packages with ghc. Reset ghc pkg db.
# unregister broken GHC packages. Run this a few times to resolve
# dependency rot in installed packages. ghc-pkg-clean -f
# cabal/dev/packages*.conf also works.
function ghc-pkg-clean() {
for p in `ghc-pkg check $* 2>&1 | grep problems | awk '{print $6}' | sed -e 's/:$//'`
echo unregistering $p; ghc-pkg $* unregister $p
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