Class: RubyChangeMaker::Change

Inherits:
Object
  • Object
show all
Defined in:
lib/rubychangemaker/rubychangemaker.rb

Constant Summary collapse

BILLS =

google: common usd denominations

[ 100, 50, 20, 10, 5, 2, 1 ]
COINS = 
[ 50, 25, 10, 5, 1         ]

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Change

Returns a new instance of Change.



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# File 'lib/rubychangemaker/rubychangemaker.rb', line 14

def initialize()
end

Instance Method Details

#make_change(amount) ⇒ Object

split the denomination entered into bills and coins then, determine change using least amount of bills and coins



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# File 'lib/rubychangemaker/rubychangemaker.rb', line 19

def make_change( amount )
  #REMOVED IN REFACTOR:  coins = changer( pull_cents( f ), COINS )
  #REMOVED IN REFACTOR:  bills = changer( pull_bills( f ), BILLS )
  coins = changer( pull_currency( amount ){ | s, idx | currency = s[ idx + 1..-1 ] }, COINS )
  bills = changer( pull_currency( amount ){ | s, idx | currency = s[ 0...idx     ] }, BILLS )
  [ bills, coins ]
end