jmmastey

⚙ /export/level_up_exercises/dino_catalog (master) > cd /export/
⚙ /export > cd level_up

// this is home
⚙ /export/level_up (master) > cd ~
⚙ ~ > pwd
/Users/jmastey

jmmastey

locus1 = ["E","e"]
locus2 = ["A","A+","At","a"]
zombie_locus = ["prl", "n"]

real_genes = [
  ["G","g"],
  ["Cr","n"],
  ["D","d"],
  ["Ch","n"],
  ["prl","n"], //interacts with locus4; see notes

jmmastey

[1,2,3]

jmmastey

def philosophize(thinker, thoughts)
  return unless thinker.is_a? Philosopher

  if thoughts.kind_of? Array
    thoughts.map { |thought| thinker.think(thought) }
  else
    thinker.think(thought)  # => <thought ...>
  end
end

jmmastey

def revolutionize_industry
  taken_ideas = philosophize(thinker, ideas)
  if !taken_ideas.nil?
    taken_ideas.each do |idea|
      publish(idea)
    end
  end
end

jmmastey

def philosophize(thinker, thoughts)
  return unless thinker.is_a? Philosopher

  thoughts = [thoughts] unless thoughts.kind_of? Array
  thoughts.map do |thought|
    thinker.think(thought)
  end
end

jmmastey

def philosophize(thinker, thoughts)
  raise ArgumentError unless thinker.is_a? Philosopher

  thoughts = [thoughts] unless thoughts.kind_of? Array
  thoughts.map do |thought|
    thinker.think(thought)
  end
end

jmmastey

def philosophize(thinker, thoughts)
  raise ArgumentError unless thinker.is_a? Philosopher

  Array(thoughts).map do |thought|
    thinker.think(thought)
  end
end

jmmastey

[11] pry(Kernel):1> ls -m --grep=^[A-Z]
Kernel.methods: Array  Complex  Float  Hash  Integer  Pathname  Rational  String

jmmastey

Array(nil)  # => []
Array(1)    # => [1]
Array([3])  # => [3]


class ArrayLikeThing
  def to_a
    [1, 2, 3]
  end