Shinpeim

var f = function(a){
  return a + 1;
}

var g = function(b){
  return - b
}

function compose(f, g){
  return function(a){

Shinpeim

var f = function(a){
  return a + 1;
}

var g = function(b){
  return - b
}

function compose(f, g){
  return function(a){

Shinpeim

nyan = ->(a, b){a + b}

curried_nyan = nyan.curry
p curried_nyan.(1) # => Proc "->(b){1 + b}"
p curried_nyan.(1).(2) #=> 3

Shinpeim

nyan = ->(a, b){a + b}

curried_nyan = nyan.curry
fun_list = [1, 2, 3, 4, 5, 6].map(&curried_nyan) # => [->(b){1 + b} , ->(b){2 + b}...]

p fun_list.first.(1) #=> 2

Shinpeim

nyan = ->(a, b){a + b}

curried_nyan = nyan.curry
p [1, 2, 3, 4, 5, 6].map(&curried_nyan.(4)) # => [5, 6, 7, 8, 9, 10]

Shinpeim

nyan = ->(a, b){a + b}

curried_nyan = nyan.curry
p [1, 2, 3, 4, 5, 6].map(&curried_nyan.(4))

Shinpeim

user = User.first
duped = user.dup
duped.changes # => {"email"=>["","[email protected]"],"name"=>["","shinpei"]}

Shinpeim

user = User.first
user.email = 'nyan'
user.changes # => {"email"=>["[email protected]", "[email protected]"]}

duped = user.dup
duped.name_chanded? # => true
duped.changes # => {"email"=>["", "[email protected]"]], "name"=>[""=>"shinpei"]}

Shinpeim

require 'benchmark'

n = 500000

def lm
  lambda{1}.call
end

def bg
  begin

Shinpeim

#!/bin/sh
php -S localhost:8000