File 0064-Extend-the-text-for-_-myth.patch of Package erlang
From 6ecbfdcce4dc8b1c58a4f34e2edd8eaabd54793f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Tue, 13 Dec 2016 14:17:03 +0100
Subject: [PATCH 4/4] Extend the text for "_" myth
Thanks to Joe Armstrong for the suggestion.
---
system/doc/efficiency_guide/myths.xml | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/system/doc/efficiency_guide/myths.xml b/system/doc/efficiency_guide/myths.xml
index 168aa3d35..778cd06c0 100644
--- a/system/doc/efficiency_guide/myths.xml
+++ b/system/doc/efficiency_guide/myths.xml
@@ -152,6 +152,11 @@ vanilla_reverse([], Acc) ->
<p>That was once true, but from R6B the BEAM compiler can see
that a variable is not used.</p>
+
+ <p>Similarly, trivial transformations on the source-code level
+ such as converting a <c>case</c> statement to clauses at the
+ top-level of the function seldom makes any difference to the
+ generated code.</p>
</section>
<section>
--
2.11.0