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<!DOCTYPE HTML>
<html><head><meta charset="UTF-8"><title>Example</title><style>html,head,body { padding:0; margin:0; }
body { font-family: calibri, helvetica, arial, sans-serif; }</style><script type="text/javascript">
(function() {
'use strict';
function F2(fun)
{
function wrapper(a) { return function(b) { return fun(a,b); }; }
wrapper.arity = 2;
wrapper.func = fun;
return wrapper;
}
function F3(fun)
{
function wrapper(a) {
return function(b) { return function(c) { return fun(a, b, c); }; };
}
wrapper.arity = 3;
wrapper.func = fun;
return wrapper;
}
function F4(fun)
{
function wrapper(a) { return function(b) { return function(c) {
return function(d) { return fun(a, b, c, d); }; }; };
}
wrapper.arity = 4;
wrapper.func = fun;
return wrapper;
}
function F5(fun)
{
function wrapper(a) { return function(b) { return function(c) {
return function(d) { return function(e) { return fun(a, b, c, d, e); }; }; }; };
}
wrapper.arity = 5;
wrapper.func = fun;
return wrapper;
}
function F6(fun)
{
function wrapper(a) { return function(b) { return function(c) {
return function(d) { return function(e) { return function(f) {
return fun(a, b, c, d, e, f); }; }; }; }; };
}
wrapper.arity = 6;
wrapper.func = fun;
return wrapper;
}
function F7(fun)
{
function wrapper(a) { return function(b) { return function(c) {
return function(d) { return function(e) { return function(f) {
return function(g) { return fun(a, b, c, d, e, f, g); }; }; }; }; }; };
}
wrapper.arity = 7;
wrapper.func = fun;
return wrapper;
}
function F8(fun)
{
function wrapper(a) { return function(b) { return function(c) {
return function(d) { return function(e) { return function(f) {
return function(g) { return function(h) {
return fun(a, b, c, d, e, f, g, h); }; }; }; }; }; }; };
}
wrapper.arity = 8;
wrapper.func = fun;
return wrapper;
}
function F9(fun)
{
function wrapper(a) { return function(b) { return function(c) {
return function(d) { return function(e) { return function(f) {
return function(g) { return function(h) { return function(i) {
return fun(a, b, c, d, e, f, g, h, i); }; }; }; }; }; }; }; };
}
wrapper.arity = 9;
wrapper.func = fun;
return wrapper;
}
function A2(fun, a, b)
{
return fun.arity === 2
? fun.func(a, b)
: fun(a)(b);
}
function A3(fun, a, b, c)
{
return fun.arity === 3
? fun.func(a, b, c)
: fun(a)(b)(c);
}
function A4(fun, a, b, c, d)
{
return fun.arity === 4
? fun.func(a, b, c, d)
: fun(a)(b)(c)(d);
}
function A5(fun, a, b, c, d, e)
{
return fun.arity === 5
? fun.func(a, b, c, d, e)
: fun(a)(b)(c)(d)(e);
}
function A6(fun, a, b, c, d, e, f)
{
return fun.arity === 6
? fun.func(a, b, c, d, e, f)
: fun(a)(b)(c)(d)(e)(f);
}
function A7(fun, a, b, c, d, e, f, g)
{
return fun.arity === 7
? fun.func(a, b, c, d, e, f, g)
: fun(a)(b)(c)(d)(e)(f)(g);
}
function A8(fun, a, b, c, d, e, f, g, h)
{
return fun.arity === 8
? fun.func(a, b, c, d, e, f, g, h)
: fun(a)(b)(c)(d)(e)(f)(g)(h);
}
function A9(fun, a, b, c, d, e, f, g, h, i)
{
return fun.arity === 9
? fun.func(a, b, c, d, e, f, g, h, i)
: fun(a)(b)(c)(d)(e)(f)(g)(h)(i);
}
//import Maybe, Native.List, Native.Utils, Result //
var _elm_lang$core$Native_String = function() {
function isEmpty(str)
{
return str.length === 0;
}
function cons(chr, str)
{
return chr + str;
}
function uncons(str)
{
var hd = str[0];
if (hd)
{
return _elm_lang$core$Maybe$Just(_elm_lang$core$Native_Utils.Tuple2(_elm_lang$core$Native_Utils.chr(hd), str.slice(1)));
}
return _elm_lang$core$Maybe$Nothing;
}
function append(a, b)
{
return a + b;
}
function concat(strs)
{
return _elm_lang$core$Native_List.toArray(strs).join('');
}
function length(str)
{
return str.length;
}
function map(f, str)
{
var out = str.split('');
for (var i = out.length; i--; )
{
out[i] = f(_elm_lang$core$Native_Utils.chr(out[i]));
}
return out.join('');
}
function filter(pred, str)
{
return str.split('').map(_elm_lang$core$Native_Utils.chr).filter(pred).join('');
}
function reverse(str)
{
return str.split('').reverse().join('');
}
function foldl(f, b, str)
{
var len = str.length;
for (var i = 0; i < len; ++i)
{
b = A2(f, _elm_lang$core$Native_Utils.chr(str[i]), b);
}
return b;
}
function foldr(f, b, str)
{
for (var i = str.length; i--; )
{
b = A2(f, _elm_lang$core$Native_Utils.chr(str[i]), b);
}
return b;
}
function split(sep, str)
{
return _elm_lang$core$Native_List.fromArray(str.split(sep));
}
function join(sep, strs)
{
return _elm_lang$core$Native_List.toArray(strs).join(sep);
}
function repeat(n, str)
{
var result = '';
while (n > 0)
{
if (n & 1)
{
result += str;
}
n >>= 1, str += str;
}
return result;
}
function slice(start, end, str)
{
return str.slice(start, end);
}
function left(n, str)
{
return n < 1 ? '' : str.slice(0, n);
}
function right(n, str)
{
return n < 1 ? '' : str.slice(-n);
}
function dropLeft(n, str)
{
return n < 1 ? str : str.slice(n);
}
function dropRight(n, str)
{
return n < 1 ? str : str.slice(0, -n);
}
function pad(n, chr, str)
{
var half = (n - str.length) / 2;
return repeat(Math.ceil(half), chr) + str + repeat(half | 0, chr);
}
function padRight(n, chr, str)
{
return str + repeat(n - str.length, chr);
}
function padLeft(n, chr, str)
{
return repeat(n - str.length, chr) + str;
}
function trim(str)
{
return str.trim();
}
function trimLeft(str)
{
return str.replace(/^\s+/, '');
}
function trimRight(str)
{
return str.replace(/\s+$/, '');
}
function words(str)
{
return _elm_lang$core$Native_List.fromArray(str.trim().split(/\s+/g));
}
function lines(str)
{
return _elm_lang$core$Native_List.fromArray(str.split(/\r\n|\r|\n/g));
}
function toUpper(str)
{
return str.toUpperCase();
}
function toLower(str)
{
return str.toLowerCase();
}
function any(pred, str)
{
for (var i = str.length; i--; )
{
if (pred(_elm_lang$core$Native_Utils.chr(str[i])))
{
return true;
}
}
return false;
}
function all(pred, str)
{
for (var i = str.length; i--; )
{
if (!pred(_elm_lang$core$Native_Utils.chr(str[i])))
{
return false;
}
}
return true;
}
function contains(sub, str)
{
return str.indexOf(sub) > -1;
}
function startsWith(sub, str)
{
return str.indexOf(sub) === 0;
}
function endsWith(sub, str)
{
return str.length >= sub.length &&
str.lastIndexOf(sub) === str.length - sub.length;
}
function indexes(sub, str)
{
var subLen = sub.length;
if (subLen < 1)
{
return _elm_lang$core$Native_List.Nil;
}
var i = 0;
var is = [];
while ((i = str.indexOf(sub, i)) > -1)
{
is.push(i);
i = i + subLen;
}
return _elm_lang$core$Native_List.fromArray(is);
}
function toInt(s)
{
var len = s.length;
// if empty
if (len === 0)
{
return intErr(s);
}
// if hex
var c = s[0];
if (c === '0' && s[1] === 'x')
{
for (var i = 2; i < len; ++i)
{
var c = s[i];
if (('0' <= c && c <= '9') || ('A' <= c && c <= 'F') || ('a' <= c && c <= 'f'))
{
continue;
}
return intErr(s);
}
return _elm_lang$core$Result$Ok(parseInt(s, 16));
}
// is decimal
if (c > '9' || (c < '0' && c !== '-' && c !== '+'))
{
return intErr(s);
}
for (var i = 1; i < len; ++i)
{
var c = s[i];
if (c < '0' || '9' < c)
{
return intErr(s);
}
}
return _elm_lang$core$Result$Ok(parseInt(s, 10));
}
function intErr(s)
{
return _elm_lang$core$Result$Err("could not convert string '" + s + "' to an Int");
}
function toFloat(s)
{
// check if it is a hex, octal, or binary number
if (s.length === 0 || /[\sxbo]/.test(s))
{
return floatErr(s);
}
var n = +s;
// faster isNaN check
return n === n ? _elm_lang$core$Result$Ok(n) : floatErr(s);
}
function floatErr(s)
{
return _elm_lang$core$Result$Err("could not convert string '" + s + "' to a Float");
}
function toList(str)
{
return _elm_lang$core$Native_List.fromArray(str.split('').map(_elm_lang$core$Native_Utils.chr));
}
function fromList(chars)
{
return _elm_lang$core$Native_List.toArray(chars).join('');
}
return {
isEmpty: isEmpty,
cons: F2(cons),
uncons: uncons,
append: F2(append),
concat: concat,
length: length,
map: F2(map),
filter: F2(filter),
reverse: reverse,
foldl: F3(foldl),
foldr: F3(foldr),
split: F2(split),
join: F2(join),
repeat: F2(repeat),
slice: F3(slice),
left: F2(left),
right: F2(right),
dropLeft: F2(dropLeft),
dropRight: F2(dropRight),
pad: F3(pad),
padLeft: F3(padLeft),
padRight: F3(padRight),
trim: trim,
trimLeft: trimLeft,
trimRight: trimRight,
words: words,
lines: lines,
toUpper: toUpper,
toLower: toLower,
any: F2(any),
all: F2(all),
contains: F2(contains),
startsWith: F2(startsWith),
endsWith: F2(endsWith),
indexes: F2(indexes),
toInt: toInt,
toFloat: toFloat,
toList: toList,
fromList: fromList
};
}();
//import Native.Utils //
var _elm_lang$core$Native_Char = function() {
return {
fromCode: function(c) { return _elm_lang$core$Native_Utils.chr(String.fromCharCode(c)); },
toCode: function(c) { return c.charCodeAt(0); },
toUpper: function(c) { return _elm_lang$core$Native_Utils.chr(c.toUpperCase()); },
toLower: function(c) { return _elm_lang$core$Native_Utils.chr(c.toLowerCase()); },
toLocaleUpper: function(c) { return _elm_lang$core$Native_Utils.chr(c.toLocaleUpperCase()); },
toLocaleLower: function(c) { return _elm_lang$core$Native_Utils.chr(c.toLocaleLowerCase()); }
};
}();//import Native.Utils //
var _elm_lang$core$Native_Basics = function() {
function div(a, b)
{
return (a / b) | 0;
}
function rem(a, b)
{
return a % b;
}
function mod(a, b)
{
if (b === 0)
{
throw new Error('Cannot perform mod 0. Division by zero error.');
}
var r = a % b;
var m = a === 0 ? 0 : (b > 0 ? (a >= 0 ? r : r + b) : -mod(-a, -b));
return m === b ? 0 : m;
}
function logBase(base, n)
{
return Math.log(n) / Math.log(base);
}
function negate(n)
{
return -n;
}
function abs(n)
{
return n < 0 ? -n : n;
}
function min(a, b)
{
return _elm_lang$core$Native_Utils.cmp(a, b) < 0 ? a : b;
}
function max(a, b)
{
return _elm_lang$core$Native_Utils.cmp(a, b) > 0 ? a : b;
}
function clamp(lo, hi, n)
{
return _elm_lang$core$Native_Utils.cmp(n, lo) < 0
? lo
: _elm_lang$core$Native_Utils.cmp(n, hi) > 0
? hi
: n;
}
var ord = ['LT', 'EQ', 'GT'];
function compare(x, y)
{
return { ctor: ord[_elm_lang$core$Native_Utils.cmp(x, y) + 1] };
}
function xor(a, b)
{
return a !== b;
}
function not(b)
{
return !b;
}
function isInfinite(n)
{
return n === Infinity || n === -Infinity;
}
function truncate(n)
{
return n | 0;
}
function degrees(d)
{
return d * Math.PI / 180;
}
function turns(t)
{
return 2 * Math.PI * t;
}
function fromPolar(point)
{
var r = point._0;
var t = point._1;
return _elm_lang$core$Native_Utils.Tuple2(r * Math.cos(t), r * Math.sin(t));
}
function toPolar(point)
{
var x = point._0;
var y = point._1;
return _elm_lang$core$Native_Utils.Tuple2(Math.sqrt(x * x + y * y), Math.atan2(y, x));
}
return {
div: F2(div),
rem: F2(rem),
mod: F2(mod),
pi: Math.PI,
e: Math.E,
cos: Math.cos,
sin: Math.sin,
tan: Math.tan,
acos: Math.acos,
asin: Math.asin,
atan: Math.atan,
atan2: F2(Math.atan2),
degrees: degrees,
turns: turns,
fromPolar: fromPolar,
toPolar: toPolar,
sqrt: Math.sqrt,
logBase: F2(logBase),
negate: negate,
abs: abs,
min: F2(min),
max: F2(max),
clamp: F3(clamp),
compare: F2(compare),
xor: F2(xor),
not: not,
truncate: truncate,
ceiling: Math.ceil,
floor: Math.floor,
round: Math.round,
toFloat: function(x) { return x; },
isNaN: isNaN,
isInfinite: isInfinite
};
}();//import //
var _elm_lang$core$Native_Utils = function() {
// COMPARISONS
function eq(x, y)
{
var stack = [];
var isEqual = eqHelp(x, y, 0, stack);
var pair;
while (isEqual && (pair = stack.pop()))
{
isEqual = eqHelp(pair.x, pair.y, 0, stack);
}
return isEqual;
}
function eqHelp(x, y, depth, stack)
{
if (depth > 100)
{
stack.push({ x: x, y: y });
return true;
}
if (x === y)
{
return true;
}
if (typeof x !== 'object')
{
if (typeof x === 'function')
{
throw new Error(
'Trying to use `(==)` on functions. There is no way to know if functions are "the same" in the Elm sense.'
+ ' Read more about this at http://package.elm-lang.org/packages/elm-lang/core/latest/Basics#=='
+ ' which describes why it is this way and what the better version will look like.'
);
}
return false;
}
if (x === null || y === null)
{
return false
}
if (x instanceof Date)
{
return x.getTime() === y.getTime();
}
if (!('ctor' in x))
{
for (var key in x)
{
if (!eqHelp(x[key], y[key], depth + 1, stack))
{
return false;
}
}
return true;
}
// convert Dicts and Sets to lists
if (x.ctor === 'RBNode_elm_builtin' || x.ctor === 'RBEmpty_elm_builtin')
{
x = _elm_lang$core$Dict$toList(x);
y = _elm_lang$core$Dict$toList(y);
}
if (x.ctor === 'Set_elm_builtin')
{
x = _elm_lang$core$Set$toList(x);
y = _elm_lang$core$Set$toList(y);
}
// check if lists are equal without recursion
if (x.ctor === '::')
{
var a = x;
var b = y;
while (a.ctor === '::' && b.ctor === '::')
{
if (!eqHelp(a._0, b._0, depth + 1, stack))
{
return false;
}
a = a._1;
b = b._1;
}
return a.ctor === b.ctor;
}
// check if Arrays are equal
if (x.ctor === '_Array')
{
var xs = _elm_lang$core$Native_Array.toJSArray(x);
var ys = _elm_lang$core$Native_Array.toJSArray(y);
if (xs.length !== ys.length)
{
return false;
}
for (var i = 0; i < xs.length; i++)
{
if (!eqHelp(xs[i], ys[i], depth + 1, stack))
{
return false;
}
}
return true;
}
if (!eqHelp(x.ctor, y.ctor, depth + 1, stack))
{
return false;
}
for (var key in x)
{
if (!eqHelp(x[key], y[key], depth + 1, stack))
{
return false;
}
}
return true;
}
// Code in Generate/JavaScript.hs, Basics.js, and List.js depends on
// the particular integer values assigned to LT, EQ, and GT.
var LT = -1, EQ = 0, GT = 1;
function cmp(x, y)
{
if (typeof x !== 'object')
{
return x === y ? EQ : x < y ? LT : GT;
}
if (x instanceof String)
{
var a = x.valueOf();
var b = y.valueOf();
return a === b ? EQ : a < b ? LT : GT;
}
if (x.ctor === '::' || x.ctor === '[]')
{
while (x.ctor === '::' && y.ctor === '::')
{
var ord = cmp(x._0, y._0);
if (ord !== EQ)
{
return ord;
}
x = x._1;
y = y._1;
}
return x.ctor === y.ctor ? EQ : x.ctor === '[]' ? LT : GT;
}
if (x.ctor.slice(0, 6) === '_Tuple')
{
var ord;
var n = x.ctor.slice(6) - 0;
var err = 'cannot compare tuples with more than 6 elements.';
if (n === 0) return EQ;
if (n >= 1) { ord = cmp(x._0, y._0); if (ord !== EQ) return ord;
if (n >= 2) { ord = cmp(x._1, y._1); if (ord !== EQ) return ord;
if (n >= 3) { ord = cmp(x._2, y._2); if (ord !== EQ) return ord;
if (n >= 4) { ord = cmp(x._3, y._3); if (ord !== EQ) return ord;
if (n >= 5) { ord = cmp(x._4, y._4); if (ord !== EQ) return ord;
if (n >= 6) { ord = cmp(x._5, y._5); if (ord !== EQ) return ord;
if (n >= 7) throw new Error('Comparison error: ' + err); } } } } } }
return EQ;
}
throw new Error(
'Comparison error: comparison is only defined on ints, '
+ 'floats, times, chars, strings, lists of comparable values, '
+ 'and tuples of comparable values.'
);
}
// COMMON VALUES
var Tuple0 = {
ctor: '_Tuple0'
};
function Tuple2(x, y)
{
return {
ctor: '_Tuple2',
_0: x,
_1: y
};
}
function chr(c)
{
return new String(c);
}
// GUID
var count = 0;
function guid(_)
{
return count++;
}
// RECORDS
function update(oldRecord, updatedFields)
{
var newRecord = {};
for (var key in oldRecord)
{
newRecord[key] = oldRecord[key];
}
for (var key in updatedFields)
{
newRecord[key] = updatedFields[key];
}
return newRecord;
}
//// LIST STUFF ////
var Nil = { ctor: '[]' };
function Cons(hd, tl)
{
return {
ctor: '::',
_0: hd,
_1: tl
};
}
function append(xs, ys)
{
// append Strings
if (typeof xs === 'string')
{
return xs + ys;
}
// append Lists
if (xs.ctor === '[]')
{
return ys;
}
var root = Cons(xs._0, Nil);
var curr = root;
xs = xs._1;
while (xs.ctor !== '[]')
{
curr._1 = Cons(xs._0, Nil);
xs = xs._1;
curr = curr._1;
}
curr._1 = ys;
return root;
}
// CRASHES
function crash(moduleName, region)
{
return function(message) {
throw new Error(
'Ran into a `Debug.crash` in module `' + moduleName + '` ' + regionToString(region) + '\n'
+ 'The message provided by the code author is:\n\n '
+ message
);
};
}
function crashCase(moduleName, region, value)
{
return function(message) {
throw new Error(
'Ran into a `Debug.crash` in module `' + moduleName + '`\n\n'
+ 'This was caused by the `case` expression ' + regionToString(region) + '.\n'
+ 'One of the branches ended with a crash and the following value got through:\n\n ' + toString(value) + '\n\n'
+ 'The message provided by the code author is:\n\n '
+ message
);
};
}
function regionToString(region)
{
if (region.start.line == region.end.line)
{
return 'on line ' + region.start.line;
}
return 'between lines ' + region.start.line + ' and ' + region.end.line;
}
// TO STRING
function toString(v)
{
var type = typeof v;
if (type === 'function')
{
return '<function>';
}
if (type === 'boolean')
{
return v ? 'True' : 'False';
}
if (type === 'number')
{
return v + '';
}
if (v instanceof String)
{
return '\'' + addSlashes(v, true) + '\'';
}
if (type === 'string')
{
return '"' + addSlashes(v, false) + '"';
}
if (v === null)
{
return 'null';
}
if (type === 'object' && 'ctor' in v)
{
var ctorStarter = v.ctor.substring(0, 5);
if (ctorStarter === '_Tupl')
{
var output = [];
for (var k in v)
{
if (k === 'ctor') continue;
output.push(toString(v[k]));
}
return '(' + output.join(',') + ')';
}
if (ctorStarter === '_Task')
{
return '<task>'
}
if (v.ctor === '_Array')