Jeff Chao jeffchao

Serverless AI/ML @google Prior: @Netflix, @stripe, @heroku, @salesforce, startup co-founder & CTO

jeffchao / injectable.rb

Created March 29, 2013 06:19

Basic implementation of Enumerable.inject() in Ruby

	require 'rubygems'
	require 'rspec'

	module Enumerable
	def myinject (base = nil, &block)
	return nil if block.nil?
	return nil if self.length.zero?

	if base.nil?
	case self.first

jeffchao / mappable.spec.js

Created March 28, 2013 23:58

Implementation of Array.prototype.map() in Javascript

	// Run using jasmine-node.
	// e.g.: jasmine-node file_name.spec.js

	Array.prototype.mymap = function (callback) {
	var obj = Object(this);

	if (obj.length === 0) return null;
	if (typeof(callback) === 'undefined') return null;

	for (var i = 0, o; o = obj[i]; i++) {

jeffchao / mappable.rb

Last active February 2, 2020 04:05

Implementation of Enumerable.map() in Ruby