From 3a469c3e4450184fec0c6900ff74c31da8939882 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Mon, 22 Feb 2021 18:45:48 -0500
Subject: Add doc note about ? symbol

---
 Alpha.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Alpha.hs b/Alpha.hs
index 71ceef6..f1c5bdd 100644
--- a/Alpha.hs
+++ b/Alpha.hs
@@ -13,6 +13,7 @@
 -- - `|` normal function-level applications
 -- - `/` indicates doing something inside a functor
 -- - `<` and `>` indicate the direction in which values flow
+-- - `?` is for boolean tests or assertions
 --   between functions
 --
 -- It seems unnecessarily different at first but it makes things easier
-- 
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