From 9dcba8408a57cb8079efef4885c5430c29c2c107 Mon Sep 17 00:00:00 2001
From: hashirama <hashirama@noreply.localhost>
Date: Tue, 28 Jan 2025 04:59:54 +0000
Subject: [PATCH] clarify the & operator

---
 lenses.hs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lenses.hs b/lenses.hs
index 6194cb4..d6c4ce2 100644
--- a/lenses.hs
+++ b/lenses.hs
@@ -1,4 +1,3 @@
-
 {-
 
 here i show how to use lenses to handle states (didnt found any example on states in internet)
@@ -62,6 +61,10 @@ main = do
   stateRef <- newIORef initialState
 
   -- Corrected lens chain with &
+  {-
+  & is just backwards function application;
+  x f , in which f will be applied to the value x 
+  -}
   modifyIORef' stateRef $ \s ->
     s & ui . keyBindings . at "Ctrl+X" .~ Just "cut"
       & user . prefs . darkMode .~ True