serradura

1. Install a modern version of Ruby

asdf install ruby 3.4.4

2. Create a ruby-lsp folder in your home directory

mkdir ~/ruby-lsp

serradura

class NanoCase
  class Result
    UNDEFINED = :undefined
    
    attr_reader :type, :data
    
    def initialize(type, data)
      @type = type
      @data = data
    end

serradura

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'

  gem 'benchmark-ips', '~> 2.11'
end

class Calc
  def initialize(a, b)

serradura

class FactoryCollectionFilter
  def initialize(config)
    @config = config || {}
  end

  def call(filters: {}, data: [])
    return data if filters.empty?
    
    filters.reduce(data) do |filtered, (filter, value)|
      filter_fn = @config[filter]

serradura

####################################
# Pilares da Orientação a Objetos: #
####################################

# 👍 Abstração.     | >
# 👍 Encapsulamento | > > Composição 🙌
# 👍 Polimorfismo   | >

# 👎 Herança

serradura

class AssemblyLine
  CARS_PRODUCED_PER_HOUR = 221.0
      
  def self.calculate_cars_per_hour(speed)
    speed * CARS_PRODUCED_PER_HOUR
  end
  
  def self.calculate_success_rate(speed)
    case speed
    when 1..4 then 1

serradura

class Mecha
  private attr_accessor(:states_map, :callbacks, :transitions, :current_state)

  public :transitions, :current_state

  def initialize(initial_state:, transitions:)
    self.states_map = transitions.parameters.select { |(type, _)| type == :keyreq }.to_h { [_2, _2] }

    self.callbacks = Hash.new { |hash, key| hash[key] = [] }
    self.transitions = transitions.call(**states_map).transform_values(&:freeze).freeze

serradura

module Susurro
  def subscribe(handler)
    subscribers << {name: nil, handler: handler}

    self
  end

  def on(event_name, &handler)
    subscribers << {name: event_name, handler: handler}

serradura

require 'uri'
require 'json'
require 'net/http'

# https://dog.ceo/dog-api/
class DogCeoAPI
  class FakeStrategy
    def get_random
      {
        "message" => "https://images.dog.ceo/breeds/terrier-welsh/lucy.jpg",

serradura

module Kind
  module Interface
    module State
      extend self

      @current = :enabled

      def disable!
        @current = :disabled
      end