kelvin-chappell

flowchart LR
1 --> 2
2 --> 3
3 --> 4
4 --> 5
5 --> 6
6 --> 7
7 --> 8
8 --> 9

kelvin-chappell

flowchart LR
9 --> 10
1 --> 12
subgraph A
5 --> 10
10 --> 11
end
subgraph B
6 --> 7

kelvin-chappell

sequenceDiagram

participant 1
participant 2
participant 3
participant 4
participant 5
participant 6
participant 7

kelvin-chappell

#!/bin/bash

# Get a list of instance IDs
instance_ids=$(aws ec2 describe-instances --profile $account --region $region --query 'Reservations[*].Instances[?State.Name==`running`].InstanceId' --output text)

# Loop through the instance IDs and print relevant information
echo "Num instances: $(echo "$instance_ids" | grep -c .)"
for instance_id in $instance_ids; do
  echo "Instance ID: $instance_id"
  # Run a command to check if Python is installed

kelvin-chappell

//> using dep org.typelevel::cats-effect::3.5.2

import cats.data.EitherT
import cats.effect.IO
import cats.effect.unsafe.implicits.global

// TODO: implement class
//class TypedIO[E,A](io: IO[Either[E,A]]):
//  def unsafeRunSync(): Unit = ???
//end TypedIO

kelvin-chappell

trait Maker[A] {
  def make(s: String): A
}

object Maker {
  implicit val intMaker = new Maker[Int] {
    def make(s: String) = s.toInt
  }
  implicit val doubleMaker = new Maker[Double] {
    def make(s: String) = s.toDouble

kelvin-chappell

// See https://docs.scala-lang.org/scala3/book/ca-type-classes.html

object TypeClassExample extends App:

  // 1. Type class
  trait Showable[A]:
    extension (a: A)
      def show: String
      def format: String

kelvin-chappell

//---------------------------------------------------------------------------------
// Utilities.gs
//---------------------------------------------------------------------------------

const envVar = (name) => {
  return PropertiesService.getScriptProperties().getProperty(name);
}


//---------------------------------------------------------------------------------

kelvin-chappell

Implicit flow

sequenceDiagram
    autonumber
    actor RO as Resource Owner
    participant Client
    participant IP as Identity Provider
    Client-)IP: Get provider info
 RO->>+Client: Sign in

kelvin-chappell

# Credit to Michael Jacobson and John Duffell

function getGmail() {
    const query = `from:no-reply@sns.amazonaws.com NOT label:done`;
    let threads = GmailApp.search(query);
    let label = GmailApp.getUserLabelByName('done');
    if (!label) {label = GmailApp.createLabel('done')}
    let messages = [];

    threads.forEach(thread => {