JeffML

const PouchDB = require('pouchdb');
const db = new PouchDB('choices');

// doc that defines the view
var ddoc = {
    _id: '_design/choice',
    views: {
        by_key: {
            map: function (doc) {
                emit(doc.key, doc.taste);

JeffML

    const choices = [
        [['VANILLA'], ['coconut flakes', 'pecans'], ['marshmallow']],
        [['CHOCOLATE'], ['pecans'], ['chocolate']],
        [['STRAWBERRY', 'VANILLA'], ['pineapple', 'coconut flakes'], ['marshmallow']],
        [['STRAWBERRY'], ['pecans'], ['maple']],
        [['VANILLA'], ['coconut flakes', 'pineapple'], ['chocolate']],
        [['CHOCOLATE, STRAWBERRY'], ['pineapple', 'pecans'], ['butterscotch']],
    ];

    const keys = _.map(choices, c => {

JeffML

var Combinator = function (opts) {
    var combinations = [];

    function combine(current, remainder) {
        if (remainder.length === 0) {
            if (current.length >= (opts.min || 0) &&
                current.length <= (opts.max || current.length))
                combinations.push(current);
        } else {
            combine(current.concat(remainder[0]), remainder.slice(1, remainder.length));

JeffML

var CombinatorGenerator = function (opts) {
    function* combine(current, remainder) {
        if (remainder.length === 0) {
            if (current.length >= (opts.min || 0) &&
                current.length <= (opts.max || current.length)) {
                yield(current);
            }
        } else {
            combine(current.concat(remainder[0]), remainder.slice(1, remainder.length))
            combine(current, remainder.slice(1, remainder.length))

JeffML

var menu = require('./menu');
var Combinator = require('./Combinator-generator-naive');

function run() {
    var threeCombos = new Combinator({
            min: menu.threeItems.min,
            max: menu.threeItems.max
        })
        .combine([], menu.threeItems.values);

JeffML

class BowlingBall {
    private String petName;

    BowlingBall() {
    }

    void setPetName(String petName) {
        this.petName = petName;
    }

JeffML

interface IBowlingBall {
    String getPetName();
}

class Bowler {
    static private class BowlingBall implements IBowlingBall{
        private String petName;

        BowlingBall() {
        }

JeffML

class BowlingBallFactory {
    static private class BowlingBall implements IBowlingBall{
        private String petName;

        BowlingBall() {
        }

        private void setPetName(String petName) {
            this.petName = petName;
        }

JeffML

import java.util.ArrayList
import java.util.List

interface IBowlingBall {
    String getBrand();
    String getSerialNumber();
}

abstract class BowlingBall implements IBowlingBall {
    private String brand, serialNumber;

JeffML

 this.add({
        role: "movement",
        cmd: "rawMoves",
    }, (msg, reply) => {
        var err = null;
        var rawMoves = [];

        var pos = msg.piece.position;

        switch (msg.piece.piece) {