# Commits

committed ff7b1fe

Slightly expanded section on applicative syntax

# index.html

` 		<li class="slide"><em>Functional design patterns</em></li>`
` 		<li class="slide">There's mostly* nothing magical about these typeclasses</li>`
` 		<li class="slide">In scala, they're provided by a library called scalaz (pronounced scala-zed)</li>`
`-		<li class="slide">We're using a snapshot of scalaz-seven, hosted on github</li>`
`+		<li class="slide">These examples are based on <a href="https://github.com/scalaz/scalaz/tree/scalaz-seven">scalaz-seven</a></li>`
` 		<li class="slide">This is how the hierarchy is defined in Haskell--- it isn't perfect</li>`
` 	</ul>`
` 	<p class="slide">We'll cover functors, applicative functors, and monads</p>`
` </pre>`
` 		<p style="font-size: 60%">(Yuck)</p>`
` 	</div>`
`-	<div class="slide">`
`+</section>`
`+`
`+<section class="slide">`
`+	<h2>Applicative Syntax</h2>`
`+	<div>`
` 		<p>In Haskell, things look a little more obvious: </p>`
` <pre class="haskell">`
` (+) <\$> parse("3") <*> parse("Nope") `
` </pre>	`
` 	</div>`
` 	<div class="slide">`
`+		<p>Generalizing a bit, we go from calling a pure function: </p>`
`+<pre class="haskell">`
`+f x y z`
`+</pre>`
`+	</div>`
`+	<div class="slide">`
`+		<p>To calling a function on "effectful" arguments: </p>`
`+<pre class="haskell">`
`+f <\$> x <*> y <*> z`
`+</pre>`
`+	</div>`
`+	<div class="slide">`
` 		<p>Scalaz's <code>ApplicativeBuilder</code> improves the situation somewhat:</p>`
` <pre class="scala">`
` (parse("3") |@| parse("Nope"))(_ + _)`
` </pre>`
`-	</div>`
`+	</div>	`
` </section>`
` `
` <section class="slide">`