mistersourcerer

rm -rf xpto
rails _3.2.8_ new xpto -d postgresql --skip-bundle

cd xpto

bundle install

git init
git add .
git commit -m "first commit"

mistersourcerer

Array.prototype.map = function(f) {
  return this.fold([], function(current, el) {
    return [f(current)].concat(el);
  });
}

Number.prototype.sum = function(val) {
  return this + val;
}