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require "json"

puts "Checando tipos no Crystal"

# Checando tipos em tempo de execução
json_text = JSON.parse("[1, 2, 3]")


# Você pode usar o `.class` para checar o tipo de uma variável
puts "Usando .class"

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YARD CHEATSHEET http://yardoc.org

May 2020 - updated fork: https://gist.github.com/phansch/db18a595d2f5f1ef16646af72fe1fb0e

cribbed from http://pastebin.com/xgzeAmBn

Templates to remind you of the options and formatting for the different types of objects you might want to document using YARD.

Modules

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Improved YARD CHEATSHEET http://yardoc.org

forked from https://gist.github.com/chetan/1827484 which is from early 2012 and contains outdated information.

• Official Getting Started Guide
• Official Tags documentation
• Type naming examples

Templates to remind you of the options and formatting for the different types of objects you might want to document using YARD.

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There are many (old) clients available:

• https://github.com/tpitale/legato (active, supports API v3)
• https://github.com/activenetwork/gattica
• https://github.com/vigetlabs/garb

The Google Analytics API is at v3 (at time of writing).

This example uses Google's Ruby API client to access Analytics. Use https://github.com/google/google-api-ruby-client (Google supported).

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# Main reference was lascarides' post at http://stackoverflow.com/questions/14743447/getting-pdf-from-wickedpdf-for-attachment-via-carrierwave

# estimate.rb
# ...
  has_attached_file :pdf,
    storage: :s3,
    s3_credentials: {
      access_key_id: ENV['AWS_ACCESS_KEY_ID'],
      secret_access_key: ENV['AWS_SECRET_ACCESS_KEY'],
      bucket: ENV['AWS_BUCKET']

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Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors and Sequences

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require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'pry'
  gem 'dry-monads'
end

require 'dry/monads'

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.tool-versions

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defmodule RecipeBox.CreateRecipe do
  @moduledoc """
    Create a new Recipe
  """
  import Ecto.Changeset

  alias RecipeBox.{Recipe, Repo}
  
  def run(params) do
    %Recipe{}

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# frozen_string_literal: true

class Customer
  attr_reader :name, :document, :email, :address

  def initialize(first_name, last_name, document, email, address)
    @name = ValueObjects::Name.new(first_name, last_name)
    @document = document
    @email = email
    @address = address