From a363ca06fde540cfd6c0abb062c88611f1a84c45 Mon Sep 17 00:00:00 2001 From: jim Date: Fri, 6 Feb 2015 08:56:02 -0500 Subject: [PATCH 1/1] add anchor for #dollar --- topics/week1_advanced_notes.mdwn | 1 + 1 file changed, 1 insertion(+) diff --git a/topics/week1_advanced_notes.mdwn b/topics/week1_advanced_notes.mdwn index 640becb7..2137d114 100644 --- a/topics/week1_advanced_notes.mdwn +++ b/topics/week1_advanced_notes.mdwn @@ -130,6 +130,7 @@ Both of these strategies work. But they are a bit inefficient. I said you didn't end + ### $ Syntax ### Haskell has a useful bit of syntax that we will adopt. They use `$` as an infix operator that has the same kind of effect as Russell & Whitehead's period. It is semantically inert, and only affects grouping. It enables you to avoid some parentheses in lots of situations. For example, if you want to check that a sequence `xs` is not empty, you'd express that like this: -- 2.11.0