tomcha

list = [1, 2, 3, 4, 5, 6, 7]
n = 0
def skip(list, n)
  if list.size == 0
    list
  elsif n == 0
    list
  else
    list.shift
    skip(list, n - 1 )

tomcha

pro = Proc.new{|n|  n % 2 == 0 ? true : false}

list = [3, 5, 6, 8, 1]

def find(list, pro)
  if list.size == 0
    return nil
  else
    i = list.shift
    return i if pro.call(i)

tomcha

pro = Proc.new{|n|  n % 2 == 0 ? true : false}
#list = [2, 4, 6, 8]
list = [3, 5, 7, 9]

def exists(list, pro)
  if list.size == 0
    false
  elsif list.size == 1
    pro.call(list.shift)
  else

tomcha

pro = Proc.new{|n|  n % 2 == 0 ? true : false}
list = [2, 4,9, 6, 8 ]

#p pro.call(5)

def forall(list, pro)
  if list.size == 1
    pro.call(list.shift)
  else
    pro.call(list.shift) && forall(list, pro)

tomcha

list = [5, 8, 2, 3]

def min(list)
  if list.size == 1
    list.shift
  else
    i = list.shift
    list[0] = i if i < list[0]
    min(list)
  end

tomcha

list = [5, 8, 2, 3]

def max(list)
  if list.size == 1
    list.shift
  else
    i = list.shift
    list[0] = i if list[0] < i
    max(list)
  end

tomcha

list = [1, 2, 3, 4, 5, 6, 7]


def length(list)
  if list.size == 0
    0
  else
    list.shift
    1 + length(list)
  end

tomcha

list = [1, 2, 3, 4, 5, 6]

def sum(nums)
  if nums.size == 0
    0
  else
    n = nums.shift
    n + sum(nums)
  end
end

tomcha

キッカソンを開催しました

自己紹介

• Twitter: @tomcha_
• 趣味でプログラム書いてます。普段はワードとかエクセル（方眼紙じゃなくて表計算の方）で仕事してます。
• Perl入学式サポーター。
• なにわPerl主催。

---

キッカソンって？

tomcha

import Foundation

for i in (1...100){
  var str : String = ""
  var randThree = arc4random_uniform(3)
  var randFive = arc4random_uniform(5)
  if (randThree == 0){
    str = "Fizz"
  }
  if (randFive == 0){