Jens Petersen juhp

Keybase proof

I hereby claim:

I am juhp on github.
I am juhp (https://keybase.io/juhp) on keybase.
I have a public key ASC_RrirmAZeeslaPILKIXjpdmdW2fdgOb06M8iSNS-vbgo

To claim this, I am signing this object:

Letter to a Young Haskell Enthusiast, by Gershom Bazerman.

Condensed from: http://comonad.com/reader/2014/letter-to-a-young-haskell-enthusiast/

The following letter is about tendencies that come with the flush of excitement of learning any new thing. It is written specifically, because if we don't talk specifics, the generalities make no sense. It is a letter full of things I want to remember.

You’ve entered the world of strongly typed functional programming, and it is great. You want to share the great things you’ve learned, and you want to slay all the false statements in the world.

	stack install --verbose
	Version 2.15.7, Git revision 94291936ebf8335b4cd2da593aa879ea628c7f09 (dirty) (239 commits) x86_64
	Compiled with:
	- Cabal-3.10.3.0
	- Cabal-syntax-3.10.3.0
	- Glob-0.10.2
	- OneTuple-0.4.2
	- QuickCheck-2.14.3
	- StateVar-1.2.2
	- aeson-2.1.2.1

	#!/bin/sh

	VERSION=$1
	#FIXME lib

	if [ -z "$VERSION" ]; then
	echo "Usage: $0 X.Y.Z"
	exit 1
	fi

	$ stack -v --resolver lts-12 --stack-yaml stack-lts12.yaml build
	Version 2.1.3.1 x86_64
	Compiled with:
	- Cabal-2.4.1.0
	- Glob-0.10.0
	- StateVar-1.2
	- aeson-1.3.1.1
	- annotated-wl-pprint-0.7.0
	- ansi-terminal-0.9.1
	- ansi-wl-pprint-0.6.9

	818 text
	527 mtl
	419 QuickCheck
	357 hspec
	333 unordered-containers
	307 tasty
	270 vector
	249 aeson
	236 tasty-hunit
	220 HUnit

	#!/bin/sh

	# uses httpie for ease
	#
	# $ stckg-query.sh lts pandoc
	# lts-7.14 pandoc-1.17.1

	http --all -F -h https://www.stackage.org/$1/package/$2 \| grep Location: \| tail -1 \| sed -e "s%Location: https://www.stackage.org/%%" -e "s%/package/% %"

	{-# LANGUAGE OverloadedStrings #-}

	import Turtle
	import Data.Text (words)

	rpmspecSrc qf spec = do
	(_res, out) <- procStrict "rpmspec" ["-q", "--srpm", "--undefine=dist", "--qf", qf, spec] empty
	return out

	nvr = "%{name}-%{version}-%{release}"

	#!/bin/sh

	ghci -ghci-script turtle.ghci -package turtle -package foldl