index.rb

# require 'pry-byebug'

# => one piece of ruby value
# strings
# integers
# floats
# booleans
# nil

# => storing multiple pieces of ruby value
# array

# indexes are used to extract one value out of an array

# shopping_items = [
#   "bread",
#   "milk",
#   "bananas",
#   "plums",
#   "lettuce"
# ]

# # -5 -4 -3 -2 -1 <--> 0 1 2 3 4

# p shopping_items

# puts "what do you want you remove from the list?"

# user_selection = gets.chomp

# shopping_items.delete(user_selection)

# p shopping_items

# shopping_items.shift()

# p shopping_items

# puts "what do you want to add to the shopping items?"

# print "> "
# grocery_item = gets.chomp
# shopping_items << grocery_item
# p shopping_items

# puts "which item would you like?"
# puts ""
# puts "1. bread"
# puts "2. milk"
# puts "3. bananas"
# puts "4. plums"
# puts "5. lettuce"

# user_selection = gets.chomp.to_i -1
# => 2

# 1. indexes start at 0
# 2. the bracket notation to access a value in an array

# while 1 == 1
#   # do something
#   puts "hello world"
# end 

# jar_size = 12
# jar_full = false
# cups_added = 0

# while jar_full == false
#   cups_added = cups_added + 1
#   puts "Added #{cups_added} cup(s) of water"
#   binding.pry
#   # 12 >= 12
#   if cups_added >= jar_size
#     jar_full = true
#   end
# end

# puts "The jar is full"

# while # (some sort of condition)

# end 

# shopping_items = [
#   "bread",
#   "milk",
#   "bananas",
#   "plums",
#   "lettuce"
# ]

# index = 0
# while index < shopping_items.length
#   puts shopping_items[index]
#   # add an incrementor
#   index += 1
#   # index = 4
# end

# 1. while loops
# 2. for in loop
# 3. array method .each (my preferred way of looping through an array)

# shopping_items = [
#   "bread",
#   "milk",
#   "bananas",
#   "plums",
#   "lettuce"
# ]

# index = 0
# for shopping_item in shopping_items
#   puts shopping_item
# end 

shopping_items = [
  "bread",
  "milk",
  "bananas",
  "plums",
  "lettuce"
]

# name = "harrison"

# def my_method(shopping_items)
#   arr = [1,2,3] 
#   shopping_items.each_with_index do |x, y| 
#     puts "item #{y + 1} is #{x}"
#     name = "harrison"
#   end
# end 

# my_method(shopping_items)