From de035853ad010a6c6e660a4cc3cc6b38dd2c606b Mon Sep 17 00:00:00 2001
From: Taylor R Campbell <campbell@mumble.net>
Date: Sun, 6 Jan 2019 04:17:06 +0000
Subject: [PATCH] Integrate PROMISE?.

Small but measurable speed improvement, getting to diminishing
returns after a nearly 7x speed increase on promise-heavy stream
code.
---
 src/runtime/boot.scm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/runtime/boot.scm b/src/runtime/boot.scm
index 9c963f04c..4315f4dfe 100644
--- a/src/runtime/boot.scm
+++ b/src/runtime/boot.scm
@@ -436,6 +436,7 @@ USA.
 
 ;;;; Promises
 
+(declare (integrate-operator promise?))
 (define (promise? object)
   (and (cell? object)
        (cell? (cell-contents object))
-- 
2.25.1