Profpatsch

module Abc (jsonWith') where

import Data.Aeson hiding (Value (..))
import Data.Aeson.Key qualified as Key
import Data.Aeson.KeyMap qualified as KM
import Data.Aeson.Parser.Internal hiding (jsonWith')
import Data.Attoparsec.ByteString qualified as A
import Data.Attoparsec.ByteString.Char8 (Parser, char, string)
import Data.Function (fix)
import Data.Functor (($>))

Profpatsch

module Postgres.Decoder where

import Control.Applicative (Alternative)
import Data.Aeson qualified as Json
import Data.Aeson.BetterErrors qualified as Json
import Data.Error.Tree
import Data.Typeable (Typeable)
import Database.PostgreSQL.Simple.FromField qualified as PG
import Database.PostgreSQL.Simple.FromRow qualified as PG
import Json qualified

Profpatsch

{-# LANGUAGE AllowAmbiguousTypes #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE QuasiQuotes #-}

module Json.Enc where

import Data.Aeson (Encoding, Value (..))
import Data.Aeson.Encoding qualified as AesonEnc
import Data.Aeson.Key qualified as Key

Profpatsch

-- | Implement this class if you want your type to only implement the part of 'Num'
-- that allows creating them from Integer-literals, then derive Num via 'NumLiteralOnly':
--
-- @
-- data Foo = Foo Integer
--   deriving (Num) via (NumLiteralOnly "Foo" Foo)
--
-- instance IntegerLiteral Foo where
--  integerLiteral i = Foo i
-- @

Profpatsch

{-# LANGUAGE ImportQualifiedPost #-}
{-# LANGUAGE DerivingVia #-}

module Main where

import Control.Foldl (Fold)
import Control.Foldl qualified as Fold
import Data.Function ((&))
import Data.Profunctor
import Data.Semigroup

Profpatsch

{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE LambdaCase #-}

module Label
  ( -- * Labels
    Label,
    label,
    label',
    getLabel,

Profpatsch

{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DerivingStrategies #-}

module Label
  ( Label,
    label,
    label',
  )
where

Profpatsch

let
  list =
    rec {

      empty = { a = null; cons = null; };
      singleton = x: { a = x; cons = null; };
      cons = x: xs: { a = x; cons = xs; };

      # O(n)
      foldr = f: zero:

Profpatsch

{-# LANGUAGE LambdaCase #-}

module Pretty
  ( -- * Pretty printing for error messages
    Err,
    printPretty,
    -- constructors hidden
    prettyErrs,
    message,
    messageString,

Profpatsch

let
  pkgs = import <nixpkgs> {};
  lib = pkgs.lib;
  allOptions = (import <nixpkgs/nixos> {}).options;

  # ** some helpers

  # Like mapAttrs, but if `null` is returned from the mapping function,
  # the element is removed from the attrset.
  #