From ee9339e73b93dfc564bbd2275f26bf8aeb36f450 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Mon, 2 Nov 2015 13:12:44 -0600
Subject: [PATCH] Add shortcut fusion heuristic note to `lodash` docs. [ci
 skip]

---
 lodash.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lodash.js b/lodash.js
index b10a0ce74..6407bb769 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1436,7 +1436,11 @@
      * Lazy evaluation allows several methods to support shortcut fusion. Shortcut
      * fusion is an optimization strategy which merge iteratee calls; this can help
      * to avoid the creation of intermediate data structures and greatly reduce the
-     * number of iteratee executions.
+     * number of iteratee executions. Sections of a chain sequence may qualify for
+     * shortcut fusion if the section is applied to an array of at least two hundred
+     * elements and any iteratees or predicates accept only one argument. The
+     * heuristic for whether a section qualifies for shortcut fusion is subject
+     * to change.
      *
      * Chaining is supported in custom builds as long as the `_#value` method is
      * directly or indirectly included in the build.