seppeljordan

data RegEx a = Star (RegEx a)
             | Conc (RegEx a) (RegEx a)
             | Lit a
             | WildCard

match :: (Eq a,Show a) => [a] -> RegEx a -> Bool
match [x] (Lit y) = x == y -- 'a'    >>> 'a'
match _ (Lit _) = False    -- 'aaa'  >>> 'a'
match [x] WildCard = True  -- 'a'    >>> '.'
match _ WildCard = False   -- 'aaaa' >>> '.'

seppeljordan

- agenda/ideas for the nixcon talk

 - brief introduction
  - what is pypi
  - how "awesome" python packaging is 
  - what problems we have when packing with nix

 - how it works (differently then other 2nix tools)
  - 3 stages
   - stage1: using nix-shell

seppeljordan

#!/usr/bin/env sh

UPGRADE=0

while getopts "uh" arg; do
    case $arg in
        u)
            UPGRADE=1
            ;;
        h)

seppeljordan

#!/usr/bin/env sh

# goes into .git/hooks/pre-commit
# do not forget 'chmod +x .git/hooks/pre-commit'

set -e

. ./format_code.sh

if ! git diff --exit-code > /dev/null 2>&1; then

seppeljordan

from abc import ABCMeta, abstractmethod
from typing import Set


class Observer(metaclass=ABCMeta):
    @abstractmethod
    def notify(self, volume: int) -> None:
        pass

seppeljordan

from __future__ import annotations

from abc import ABC, abstractmethod
from functools import lru_cache
from typing import List

cache = lru_cache()


class WorkDoer: