From 65a9de86012484e83c82365c51fecb9f39733e5c Mon Sep 17 00:00:00 2001
From: Matthew Butterick <mbutterick@users.noreply.github.com>
Date: Mon, 9 Dec 2019 15:57:56 -0800
Subject: [PATCH] Update README.md

---
 2019/README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/2019/README.md b/2019/README.md
index e85c215..1167572 100644
--- a/2019/README.md
+++ b/2019/README.md
@@ -20,6 +20,8 @@
 
 * Also the fancier `for` iterators, like `for/first` and `for/or`.
 
+* `let/ec` is a way of jumping out of a deeply nested computation, akin to how `return` works in other languages. 
+
 
 
 ## My solutions