dev-nyc

I reviewed some common Ruby methods and grouped them by behavior.

Hopefully this helps someone else too.

[Please copy paste and fix typos, add/delete, improve from this Gist.](https://gist.github.com/dirkdirk/9209d7ea67ac57543975162713910224)

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# Array

dev-nyc

arr1 = [1,2,3,4]
arr2 = ['a', 'b', 'c', 'd']

def interleave(arr1, arr2)
  newarr = []
  arr1.each do |num|
    newarr << num << arr2[arr1.index(num)]
  end
p newarr
end

dev-nyc

``` ruby
BOARD = ["a1" , "a2" , "a3" , "b1" , "b2" , "b3" , "c1" , "c2" , "c3"]
MARKER =[]
user_array = []
computer_array = []
def prompt(message)
  puts message
end

def win?(player_array)

dev-nyc

def prompt(message)
  puts("=>#{message}")
end

GAME = %w(rock  paper  scissors lizard spoke)

def shorten(input)
	case input
	when "p" , "P" , "paper"
	  input = "paper"

dev-nyc

def prompt(message)
  puts("=>#{message}")
end

GAME = %w(rock  paper  scissors lizard spoke)

def shorten_input(input)
	case input
	when "p" , "P" , "paper"
	  input = "paper"

dev-nyc

# car loan calculator
def prompt(message)
  puts("=>#{message}")
end

def number_valid(num)
  num =~ /\A[-+]?[0-9]*\.?[0-9]+\Z/
end

def integer?(input)

dev-nyc

# car loan calculator

# methods
def prompt(message)
  puts("=>#{message}")
end

def number_valid(num)
  num =~ /\A[-+]?[0-9]*\.?[0-9]+\Z/
end