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defaults write -app Skim SKAutoReloadFileUpdate -boolean true

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sed '
  s/^>//
  t
  s/^ *$//
  t
  s/^/-- /
 ' in.lhs > out.hs

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import * as H from 'sweet.js/helpers' for syntax; 
syntax m = ctx => { 
  let v = ctx.next().value; 
  if (H.isIdentifier(v, 'foo') { 
    return H.fromString(v, 'bar'); 
  } 
  return H.fromString(v, 'baz'); 
} 
m foo; // expands to 'bar'

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// log.js 
'lang sweet.js'; 
export function log(msg) { 
  console.log(msg); 
} 

// main.js 
import { log } from './log.js' for syntax; 
syntax m = ctx => { 
  log('doing some Sweet things'); 

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// foo.js
'lang sweet.js';
export syntax m = // ... 

// main.js
'lang sweet.js'; 
import { m } from './foo'; 
m // ...

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fetch("/foo.json").then(resp => { 
  return resp.json(); 
}).then(json => { 
  return processJson(json); 
});

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operator >>= left 1 = (left, right) => { 
  return #`${left}.then(${right})`;
} 
fetch('/foo.json') >>= resp => { return resp.json() } 
                   >>= json => { return processJson(json) }

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// the web is crazy
// http://stackoverflow.com/questions/736513/how-do-i-parse-a-url-into-hostname-and-path-in-javascript
function getLocation(href) {
    var location = document.createElement("a");
    location.href = href;
    // IE doesn't populate all link properties when setting .href with a relative URL,
    // however .href will return an absolute URL which then can be used on itself
    // to populate these additional fields.
    if (location.host == "") {
      location.href = location.href;

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letstx $name ... = [name1, name2, name3];
letstx $type ... ... = [[type1, type2], [type3, type4]]

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let function = macro {
	case { _ * $id ($args ...) { $body ... } } => {
		var body = #{ $body ... };
		var isAwaitGenerator = false;
		for (var i = 0; i < body.length; i++) {
			if (body[i].token.type === parser.Token.Identifier &&
				body[i].token.value === 'await') {
				var expr = getExpr(body.slice(i));
				if (expr.success) {
					isAwaitGenerator = true;