Created
October 31, 2013 17:02
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class Order | |
def initialize | |
@line_items = [] | |
end | |
def add_line_item(line_item) | |
@line_items << line_item | |
end | |
def total | |
subtotals = @line_items.each { |li| li.quantity * li.price } | |
subtotals.reduce(:+) | |
end | |
end | |
class LineItem | |
attr_reader :quantity, :price | |
def initialize(quantity, price) | |
@price = price | |
@quantity = quantity | |
end | |
end | |
order = Order.new | |
order.add_line_item LineItem.new(2, 3.00) | |
order.add_line_item LineItem.new(4, 1.00) | |
puts order.total |
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Btw, thank you for the tutorial ... will be using Pry from here on out