mikrofusion

#!/bin/sh
# put this in your .git/hooks directory and name it pre-commit

bundle exec cane

mikrofusion

#!/usr/bin/ruby

def find_duplicates(arr) # O(n)
  hash = Hash.new(0)
  duplicates = []

  arr.each do |val|
    if hash.has_key? val and hash[val] == 1 then duplicates.push val end
    hash[val] += 1
  end

mikrofusion

#!/usr/bin/ruby

def pi_recursive(depth, count, i)
  if count >= depth then return 0 end

  r = 4.0 / (i..(i + 2)).to_a.inject(1) { |sum, x| sum * x }
  pi_recursive(depth, count + 1, i + 2) +
    if count % 2 == 1 then + r else - r end
end

mikrofusion

#!/usr/bin/ruby

class Array

  def reverse_recursive(arr)
    if arr.length == 1 then return arr end
    a = arr.shift
    reverse_recursive(arr) << a
  end

mikrofusion

#!/usr/bin/ruby

def fibonacci_recursive(limit, count, first, second)
  if count == limit then return [first + second] end

  [first + second].concat fibonacci_recursive(limit, count + 1, second, first + second)
end

def fibonacci(limit)
  [1, 1].concat fibonacci_recursive(limit, 0, 1, 1)