jalehman

function first(xs) {
    return xs[0];
};

function rest(xs) {
    if (xs.length <= 0) {
        return [];
    }
    return xs.slice(1, xs.length);
};

jalehman

var each = function(list, f) {
    for (var i = 0; i < list.length; i++) {
        f(list[i]);
    }
};

var map = function(list, f) {
    var arr = [];
    for (var i = 0; i < list.length; i++) {
        arr.push(f(list[i]));

jalehman

var makeStopwatch = function() {
  var elapsed = 0;
  var interval;

  var stopwatch = function(){
    return elapsed;
  };

  var increase = function() { elapsed++; };

jalehman

function each(array, f) {
    for(var i = 0; i < array.length; i++) {
        f(array[i]);
    }
}

function map(array, f) {
    var acc = [];
    each(array, function(x) {
        acc.push(f(x));

jalehman

function longerThan(word1, word2) {
    if (word2.length > word1.length) {
        return word2;
    } else {
        return word1;
    }
}

function reduce(array, f, acc) {
    var start = acc;

jalehman

var makeStopwatch = function() {
    var elapsed = 0;
    var intervalId;

    var increase = function() { elapsed++; };

    var stopInterval = function() {
        clearInterval(intervalId);
    };

jalehman

// 1. Compute the sum of squares up to `n`, where n is 10.
var n = 10;
var i = 0;
var result = 0;
while (i < n) {
  result = result + (i * i);
  i++;
}
console.log(result);

jalehman

:: Conway's game of life: http://urbit.org/docs/hoon/exercises/life/
:: Solution up to prompt 7.
!:
::
=<  |=  times/@
    (life times)
::
=>  |%
    ++  spot   {r/@ c/@}
    ++  row    (list ?)

jalehman

(defproject fmspider "0.1.0"
  :description ""
  :url "http://example.com/FIXME"
  :license {:name "Eclipse Public License"
            :url "http://www.eclipse.org/legal/epl-v10.html"}
  :dependencies [[org.clojure/clojure "1.5.1"]
                 [org.clojure/tools.namespace "0.2.4"]
                 [itsy "0.1.1"]
                 [clj-http "0.9.1"]
                 [enlive "1.1.5"]

jalehman

Scope

Ultimate goal: 3rd party software distribution

Key results:

• Virtual desks
• Tools to manipulate and inspect them

Background reading:

• Thread about 3rd party software distribution: https://groups.google.com/a/urbit.org/g/dev/c/zNK_-Z4gDNk/m/FM4PP2kxCAAJ