MateuszKubuszok

# Run each recipe in a single bash shell
set shell := ["bash", "-euo", "pipefail", "-c"]
# Set environment variables
set export

BUILD_DIR := `pwd`
ARCH := `uname -m`

STRAWBERRY_OPT_DIR := BUILD_DIR + "/opt/strawberry_macos_" + ARCH + "_release"
PKG_CONFIG_PATH := STRAWBERRY_OPT_DIR + "/lib/pkgconfig"

MateuszKubuszok

Tagged, refined and newtypes for Scala

Because we have too few solutions

Library	Docs	Types	Integrations	Notes
built-in	official	AnyVal extended by class with a single value	many libraries support AnyVals	- Scala 2/3, but on 3 it has a replacement

MateuszKubuszok

//
// @author: Mateusz Kubuszok
//
// requirements: ammonite 1.1.0
// usage:        run `amm` and copy paste into REPL

import $ivy.`org.typelevel::cats-core:1.3.1`, cats._, cats.syntax.all._
import $ivy.`org.typelevel::cats-effect:1.0.0`, cats.effect._, cats.effect.syntax._
import $ivy.`io.circe::circe-core:0.9.3`, io.circe._, io.circe.syntax._
import $ivy.`io.circe::circe-generic:0.9.3`, io.circe.generic.auto._

MateuszKubuszok

# Open window/pane in the same PATH
bind c   new-window -c "#{pane_current_path}"
bind '"' split-window -c "#{pane_current_path}"
bind %   split-window -h -c "#{pane_current_path}"
# Reload config
bind R   source-file ~/.tmux.conf \; display-message "Config reloaded..."

# Window tab menu
bind-key  -T root  MouseDown3Status      display-menu -T "#[align=centre]#{window_index}:#{window_name}" -t = -x W -y S \
  "Swap Left"                         l "swap-window -t:-1"                                  \

MateuszKubuszok

#!/bin/bash

defaultURL='https://github.com/ledgersmb/LedgerSMB'
defaultFILE=''

HELP() {
    cat <<-EOF
        usage: github-badge-cache-buster.sh [ -h | --help | [ repoURL | "auto"   [ badgeFile ] ] ]

               repoURL   defaults to '$defaultURL'

MateuszKubuszok

# Open window/pane in the same PATH
bind c   new-window -c "#{pane_current_path}"
bind '"' split-window -c "#{pane_current_path}"
bind %   split-window -h -c "#{pane_current_path}"
# Reload config
bind R   source-file ~/.tmux.conf \; display-message "Config reloaded..."

# Window tab menu
bind-key  -T root  MouseDown3Status      display-menu -T "#[align=centre]#{window_index}:#{window_name}" -t = -x W -y S \
  "Swap Left"                         l "swap-window -t:-1"                                  \

MateuszKubuszok

Separate automatic derivation from semiautomatic

Directly solves:

• #166 Ability to not use auto-derivation

General idea of the solution

Currently Chimney attempts to derive as much as possible with a single expression. It inline results on Scala 2 it uses an approach where when implicit is summoned it is expected that only user-provided implicit would be used. This is done because:

MateuszKubuszok

My public speeches

Actually, more like hall of shame because I cannot watch/listen to myself without cringe, but in this time and age everyone has to be a salesman. Well, not really, but it kind of help with self-development and getting confidence, so whatever. Remember kids! You don't have to be competent to be a public speaker! (Or write a book. Or blog. Or OSS. Or get a job.)

Optimizing Heavy Web Service presentation

• X Tricity Scala User Group
• Gdańsk, at Olivia Business Center, 2016.01.28
• Video at https://www.youtube.com/watch?v=ijhn6qWCUGQ
• Code at https://github.com/MateuszKubuszok/OptimizingHeavyWebServicePresentation

MateuszKubuszok

type ~>[F[_], G[_]] = [A] => F[A] => G[A]

final case class <~>[F[_], G[_]](to: F ~> G, from: G ~> F):
  val mapAsTo: [A, B] => (G[A] => G[B]) => (F[A] => F[B]) =
    [A, B] => (f: (G[A] => G[B])) => to[A].andThen(f).andThen(from[B])
  val mapAsFrom: [A, B] => (F[A] => F[B]) => (G[A] => G[B]) =
    [A, B] => (f: (F[A] => F[B])) => from[A].andThen(f).andThen(to[B])

extension [F[_], A](fa: F[A])
  transparent inline def mapAs[G[_]]: [B] => (G[A] => G[B]) => F[B] =

MateuszKubuszok

#!/bin/bash

brew bundle dump --file Brewfile
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/uninstall.sh)"
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
brew bundle install